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soil survey of
Weld County, Colorado
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Southern Part
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United States Deportment of Agriculture
Soil Conservation Service
in cooperation with
Colorado Agricultural Experiment Station
2004-0136
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SHEET NO. 8
WELD COUNTY,COLORADO, SOUTHERN PART
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2 Miles
Scale 1:24 000 10,000 foot grid ticks based on state
coordinate system. Land division
10000 Feet
corners,if shown,are approximately
5 000 Feet
positioned.
COLORADO, SOUTHERN PART NO 8
WELD COUNTY, COLORADO, SOUTHERN PART 7
t rief description of the soil profile. In each description acreage and proportionate extent of each ma
e principal hazards and limitations are indicated, a are given le 4, and additional inform •er n proper-
management concerns and practices needed a ties, limitations, ca ' ' n a es, te5tials for many soil
dis ssed. uses is given for each ' , an '' in other tables in this
T e map units on the detailed soil maps represe an survey. (See " mary of tables.") of the terms
area n the landscape made up mostly of the soil or soils use ' scribing soils are defined in the Gloss
;, for w ich the unit is named. Most of the delin tions
<>shown n the detailed soil map are phases of soil s 'es. Soil descriptions
Soils at have a profile that is almost alike m e up a
'a soil aerie . Except for allowable differences in t xture of 1—Alt-van loam, 0 to 1 percent slopes. This is a deep,
- the surfac layer or of the underlying substrat , all the well drained soil on terraces at elevations of 4,500 to 4,900
., soils of a ries have major horizons that ar similar in feet. It formed in old alluvium deposited by the major
,+ composition, thickness, and arrangement in t profile. A rivers. Included in mapping are small areas of soils that
i soil series c monly is named for a town o geographic show evidence of poor drainage. Also included are small,
feature near he place where a soil of t t series was long and narrow areas of sand and gravel deposits.
-' first observed nd mapped. Olney and Nu for example, Typically the surface layer of the Altvan soil is grayish
are names of t soil series. brown loam about 10 inches thick. The subsoil is brown
Soils of one s 'es can differ in text e of the surface and light yellowish brown clay loam and sandy clay loam
• layer or in the u derlying substratum rid in slope, ero- about 15 inches thick. The substratum is calcareous loamy
sion, stoniness, s ity, wetness, or o er characteristics sand about 6 inches thick over gravelly sand.
"` that affect their us . On the basis of such differences, a Permeability and available water capacity are
soil series is divided to phases. The/name of a soil phase moderate. The effective rooting depth is 20 to 40 inches.
commonly indicates a eature that affects use or manage- Surface runoff is slow, and the erosion hazard is low.
i-^ ment. For example, 0 ey fine sari y loam, 1 to 3 percent This soil is used almost entirely for irrigated crops. It
✓- slopes, is one of several hasesit
� w in the Obey series.
I'
is suited to all crops commonly grown in the area, includ-
Some map units are de up yyyf two or more dominant ing corn, sugar beets, beans, alfalfa, small grain, potatoes,
kinds of soil. Such map u Is arefcalled soil complexes and and onions. An example of a suitable cropping system is 3
undifferentiated groups. / to 4 years of alfalfa followed by corn, corn for silage,
A soil complex consists f areas of two or more soils
,",:'_.that are so intricately mixe or so small in size that they sugar beets, small grain, or beans. The high day content
:mot be shown separately the soil map. Each area in- and the rapidly permeable substratum slightly restrict
eludes some of each of th t o or more dominant soils, some crops.
'' and the pattern and All 'methods of irrigation are suitable, but furrow b-
propbrtio are somewhat similar in rigation is the most common (fig. 4). Proper irrigation
all areas. Midway-Shingleicompl , 5 to 20 percent slopes, water management is essential. Barnyard manure and
is an example.
An undifferentiated group is m de up of two or more commercial fertilizer are needed for top yields.
soils that could be mapped individu lly but are mapped as Windbreaks and environmental plantings of trees and
one unit because theje is little valu in separating them. shrubs commonly grown in. the area are generally well
The pattern and proportion of the Ails are not uniform. suited to this soil. Cultivation to control competing
An area shown on the map has at le tone of the dorm- vegetation should be continued for as many years as
nant (named) soil/or may have all o them. Loup-Boel possible following planting. Trees that are best suited and
loamy sands, 0 tqq 3 percent slopes, is a undifferentiatedn. have good survival are Rocky Mountain juniper, eastern
group in this sur4ey area. redcedar, ponderosa pine, Siberian.elm, Russian-olive, and
Most map ug. nits include small, scattere areas of soils hackberry. The shrubs best suited are skunkbush sumac,
F, other than those that appear in the name o the map unit. lilac, Siberian peashrnb, and American plum.
Some of these soils have properties that d fer substan- This soil can produce habitat elements that are highly
", tially from rose of the dominant soil or s is and thus suitable for openland wildlife, including pheasant, cotton-
_ could significantly affect use and management of the map tail, and mourning dove. Such crops as wheat, corn, and
unit. Thes¢¢ soils are described in the descriptl n of each alfalfa provide suitable habitat for openland wildlife,
map unit. Some of the more unusual or strongl�contrast- especially pheasant. Tree and shrub plantings and
ing soils; hat are included are identified by a special sym- undisturbed nesting cover would enhance openland wil-
bol on t e soil map. dlife populations.
Momapped areas include places that have littl or no This Altvan soil has fair to good potential for urban
T. soil aterial and support little or no vegetation. Such and recreational development. The chief limiting soil fea-
place are called miscellaneous areas; they are delin ted tures for urban development are the shrink-swell poten-
on le soil map and given descriptive names. Rock ut- tial of the subsoil as it wets and dries and the rapid
cr9 is an example. Some of these areas are too smal to permeability of the sand and gravel substratum. Septic
�d delineated and are identified by a special symbol n tank absorption fields function properly, but in places the
soil map. substratum does not contain enough fines to properly
8 SOIL SURVEY
filter the leachate. Sewage lagoons require sealing. 60 percent of the unit. Aquents, which have a lighter
Lawns, shrubs, and trees grow well. Capability subclass colored surface layer, make up about 35 percent. About 5
IIs irrigated. percent is Aquepts and Bankard sandy loam.
2—Altvan loam, 1 to 3 percent slopes. This is a dee , These are deep, poorly drained soils that formed in
ell drained soil on terraces at elevations of 4,500 to 4, 0 recent alluvium. No one pedon is typical. Commonly the
fe t. It formed in old alluvium deposited by the m 'or soils have a mottled, mildly alkaline to moderately al-
riv s. Included in mapping are small areas of soils hat kaline loamy or clayey surface layer and underlying
sho evidence of poor drainage. Also included are mall, material and are underlain by sand or sand and gravel
long d narrow areas of sand and gravel deposits. within 48 inches. In places they have a gleyed layer in the
Type ally the surface layer of this Altvan soil isgrayish underlying material.
brown am about 10 inches thick. The subsoil is brown Most of the acreage is subject to flooding. The water
and light yellowish brown clay loam and sandy/clay loam table is at or near the surface early in spring and recedes
about 14 i ches thick. The substratum is calca
Some small areas have been reclaimed by major drainage ous loamy to as deep as 48 inches late in fall in some years.
sand about inches thick over gravelly sand. These soils are used for rangeland and wildlife habitat.
Permeabi y and available water apacity are
moderate. Th effective rooting depth is 2 to 40 inches. and leveling and are used for irrigated crops.
Surface runof 's medium, and the erosion hazard is low. The potential native vegetation is dominated by alkali
This soil is u d almost entirely for ' gated crops. It sacaton, switchgrass, and western wheatgrass. Saltgrass,
is suited to all c ps commonly grown i the area, includ- sedge, rush, and alkali bluegrass are also prominent.
ing corn, sugar be ts, beans, alfalfa, s all grain, potatoes, potential production ranges from 3,000 pounds per acre in
and onions. An exa plc of a suitable ropping system is 3 favorable years to 2,000 pounds in unfavorable years. As
to 4 years of alfal followed by orn, corn for silage, range condition deteriorates, the switchgrass, alkali sugar beets, small 'n, or bean . Land leveling, ditch
sacaton, and western wheatgrass decrease and saltgrass,
lining, and installing p elines ma be needed for
water application. proper
sedge, and rush increase.
All methods of irriga 'on ar suitable, but furrow ir- Management of vegetation should be based on taking
half and leaving half of the total annual production. Seed-
rigation is the most com n. arnyard manure and com-
ing is difficult and costly because numerous tillage prac-
mercial fertilizer are neede f r top yields.
Windbreaks and environ ental plantins of trees and tices are required to eliminate the saltgrass sod.
Switchgrass, western wheatgrass, alkali sacaton, tall
shrubs commonly grown i e area are generally well
suited to this soil. Cul vat n to control competing wheatgrass, and tall fescue are suitable for seeding. They
vegetation should be c tine for as many years as can be seeded into a clean, firm seedbed. Seedbed
possible following planti g. Trees that are best suited and preparation usually requires more than 1 year to
eliminate the saltgrass sod. A grass drill should be used.
have good survival ar Rocky M ntain juniper, eastern
redcedar, ponderosa ne, Siberian m, Russian-olive, and Seeding early in spring has proven most successful.
Wetland wildlife, especially waterfowl, utilize this unit.
hackberry. The shru s best suited a e skunkbush sumac,
The wetland plants provide nesting and protective cover,
lilac, Siberian peas b, and America plum.
This soil can pr uce habitat elements that are highly as well as some food. The nearby irrigated cropland,
suitable for ope d wildlife including heasant, cotton- where wildlife obtain much of their food and find protec-
tail, and mo . g dove. Such crops as heat, corn, and tive cover, makes this unit valuable to both wetland and
alfalfa provid suitable habitat for op and wildlife, openland wildlife.
especially p asant. Tree and shrub lantings and Openland wildlife, especially pheasant, use this unit for
undisturbed eating cover would enhance enland wil- cover and nesting. Deer find excellent cover in some
dlife popula ions. areas.
This Al an soil has fair to good potential for urban These valuable wildlife areas should be protected from
and recr tional development. The chief limitin soil fea- fire and fenced to prevent encroachment and overuse by
tures fo urban development are the shrink-swe poten- livestock. They should not be drained.
tial of he subsoil as it wets and dries and th rapid These soils have good potential as a source of sand and
perm bility of the sand and gravel substratum. eptic gravel. Capability subclass VIw; Salt Meadow range s' .
tank bsorption fields function properly, but in place the Aquolls and Aquepts, flooded. This n level
sub ratum does not contain enough fines to prop rly map um ' 'n depressions in smooth plai nd along the
fil r the leachate. Sewage lagoons require sea ' g. bottoms of na drainageways ughout the survey
wns, shrubs, and trees grow well. Capability subcla area. Aquolls, which a colored surface layer,
e irrigated. make up about 55 pe o unit. Aquepts, which
3—Aquolls and Aquents, gravelly substratum. This have a lighter c ed surface layer, a up about 25
nearly level map unit is on bottom lands and flood plains percent. A 20 percent is soils that are drained
of all the major streams in'the survey area. Aquolls, and that have sandstone or shale within 48 inche
which have a dark colored surface layer, make up about surface.
12 SOIL SURVEY
his soil has good potential for urban and recreati Wildlife is an important secondary use of this soil. The
deve ent. Increased population growth in th rvey cropland areas provide favorable habitat for ring-necked
area has r lted in increased homesite con ction. The pheasant and mourning dove. Many nongame species car
chief limiting so' eatures for urban de opment are the be attracted by establishing areas for nesting and escape
shrink-swell potentia the subso' s it wets and dries cover. For pheasants, undisturbed nesting cover is essen-
and the limited ability of ' o support a load. Septic tial and should be included in plans for habitat develop-
tank absorption fields fu ion operly, but community ment, especially in areas of intensive agriculture. Range-
sewage systems sho e provided i e population den- land wildlife, for example, deer and antelope, can be at-
city increases. ause of the moderate' id perinea- tracted by managing livestock grazing and reseeding
bility oft ubstratum, sewage lagoons must sealed. where needed.
Lawn rubs, and trees grow well. Capability su s This soil is not suited to urban or recreational develop-
I irrigated. ment because of the flood hazard. Capability subclass
10—Bankard sandy loam, 0 to 3 percent slopes. This IVw irrigated, VIw nonirrigated; Sandy Bottom land
is a deep, somewhat excessively drained soil on flood range site.
plains at elevations of 4,450 to 5,000 feet. It formed in 11—Bresser sandy loam, 0 to 1 percent slopes. This i
stratified recent alluvium along streams and rivers. In- deep, well drained soil on terraces at elevations of 4,7 0
eluded in mapping are numerous sand and gravel bars to 4,800 feet. It formed in alluvium deposited by he
and small areas of noncalcareous soils. So h Platte River. Included in mapping are small eas
Typically the surface layer of this Bankard soil is of s 'Is that have sand and gravelly sand in the ower
brown sandy loam about 4 inches thick. The underlying part o the substratum.
material to a depth of 60 inches is pale brown calcareous Typi ll the surface layer is
sand stratified with thin lenses of sandy loam, loam, and YP Y Y grayish brown sa dy loam
fine gravel. about 11 inches thick. The subsoil is brown an yellowish
brown sa dy clay loam about 19 inches thic The sub-
Permeability is moderately rapid. Available water
capacity is low. The effective rooting depth is 60 inches or stratum to depth of 60 inches is loamy sand
more. Surface runoff is slow, and the erosion hazard is Permeabi y and available water opacity are
low. moderate. Th effective rooting depth i 60 inches or
This soil is suited to limited cropping. It is sandy and more. Surface off is slow, and the osion hazard is
subject to flooding. Pasture is the best use. Tall wheat- low.
grass, tall fescue, and annual sweetclover are some of the This soil is use almost entirely fo irrigated crops. It
most suitable crops. Light, frequent irrigation by furrows is suited to all cro commonly grow in the area inelud-
-
and flooding is best. Commercial fertilizer improves the ing corn, sugar beet beans, alfalf small grain potatoes,
and onions. An exam e of a suita e cropping system is 3
amount and value of forage produced.
to 4 years of alfalfa llowed corn, corn for silage,
The potential native vegetation is dominated by
switchgrass, indiangrass, sand bluestem, sand reedgrass, sugar beets, small grain, r be . Few conservation prac-
sideoats grama, needleandthread, and blue grama. Much tices are needed to maim •' t yields.
ir-
of this range site includes other soils and vegetation in All methods of irrigatio re suitable, but furrow such a complex pattern that it is difficult to map them rigation is the most commo Barnyard manure and com-
separately. Potential production ranges from 2,500 pounds mercial fertilizer are need r top yields.
per acre in favorable years to 1,500 pounds in unfavorable Windbreaks and envir men I plantings are generally
years. As range condition deteriorates, the tall and mid suited to this soil. Soil blowin the principal hazard in
grasses decrease; blue grama, sand dropseed, and forbs establishing trees an shrubs, c be controlled by cul-
increase; and forage production drops. Undesirable weeds tivating only in the roe row an�,by leaving a strip of
and annuals invade the site as range condition becomes vegetation betwee the rows. Supplemental irrigation
poorer. may be needed a the time of plan' g and during dry
Management of vegetation should be based on taking periods. Trees th are best suited and ave good survival
half and leaving half of the total annual production. Seed- are Rocky Mo in juniper, eastern re cedar, ponderosa
ing is desirable only in areas large enough to interseed or Pine, Siberian elm, Russian-olive, and ackberry. The
to prepare a seedbed. Switchgrass, sand bluestem, sand shrubs best 'ted are skunkbush sumac, h c, and Siberi-
reedgrass, sideoats grama, little bluestem, blue grama, pu- an peashrub
bescent wheatgrass, and intermediate wheatgrass are Wildlife s an important secondary use this soil.
suitable for seeding. This soil can be seeded by using an Ring-nee ed pheasant, mourning dove, and any non-
interseeder or a firm, clean sorghum stubble. A grass drill game s cies can be attracted by establishing reas for
is required. Seeding early in spring has proven most suc- nestin and escape cover. For pheasants, and turbed
cessful. nesti cover is essential and should be included ' plans
This soil is generally not suited to the establishment for abitat development, especially in areas of int sive
and growth of trees and shrubs. Onsite investigation is a culture.
needed to determine feasibility and possible tree and his soil has good potential for urban and recreatio al
shrub species. evelopment. Lawns, shrubs, and trees grow well. T e
44 SOIL SURVEY
o allow moisture accumulation. Generally precipitation ' Permeability is rapid. Available water capacity is low.
t o low to make beneficial use of fertilizer. The effective rooting depth is 60 inches or more. Surface
tubble mulch farming, striperopping, and minimum il- runoff is medium, and the erosion hazard is moderate.
lag are needed to control soil blowing and water er ion. The potential native vegetation is dominated by little
Te cing also may be needed to control water erosi n. bluestem, sideoats grama, sand reedgrass, blue grama,
Th potential native vegetation is domina d by hairy grama, switchgrass, and needleandthread. Potential
weste wheatgrass and blue grama. Buffalogra is also production ranges from 700 pounds per acre in favorable
present. Potential production ranges from 1,0 pounds years to 200 pounds in unfavorable years. As range condi-
per acre p favorable years to 600 pounds in favorable tion deteriorates, the tall and mid grasses decrease, blue
years. As nge condition deteriorates, a blu grama-buf- grama and hairy grama increase, and forage production
falograss sdd forms. Undesirable weeds an annuals in- drops.
vade the site s range condition becomes p rer. Management of vegetation should be based on taking
Managemen of vegetation on this soil ould be based half or less of the total annual production. Deferred graz-
on taking half a d leaving half of the to annual produc- ing is practical in improving range condition. Seeding and
tion. Range pitti can reduce runoff. S eding is desirable mechanical treatment are impractical.
if the range is i poor condition. W stern wheatgrass, Windbreaks and environmental plantings generally are
blue grama, side ats grama, buf ograss, pubescent not suited to these soils. Onsite investigation is needed to
wheatgrass, and cres ed wheatgrass re suitable for seed- determine if plantings are feasible.
ing. The grass selecte should me the seasonal require-
ments of livestock. It an be se ded into a clean, firm habitat elements are lacking. Because most of the acreage
sorghum stubble, or it c be d 'fled into a firm prepared is rangeland, only rangeland wildlife, for example scaled
seedbed. Seeding early in prin has proven most quail and antelope, are typical. Extreme care is needed in
success-
ful. managing livestock grazing in order to provide suitable
Windbreaks and environ ntal plantings of trees and habitat on these soils.
Potential is poor for urban and recreational develop-
shrubs commonly grown i e area are generally well
ment. The chief limiting soil features are the loose, coarse
suited to this soil. Cul vat' n to control competing
vegetation should be c tinue for as many years as textured soil, steep slopes, and rapid permeability. Capa-
possible following plant' g. Trees that are best suited and bility subclass VIIs irrigated, VIIs nonirrigated; Gravel
have good survival ar Rocky M ntain juniper, eastern
_ Breaks range site.
69—Valent sand, 0 to 3 percent slopes. This is a de ,
redcedar, ponderosa ne, Siberian m, Russian-olive, and
hackberry. The sh s best suited a e skunkbush sumac, ex ssively drained soil on plains at elevations of 4,6 to
5,1 feet. It formed in eolian deposits. Inclu d in
lilac, Siberian peas b, and American lum.
mapp' are small areas of soils that have lime ithin a
Wildlife is an i portant secondary u e of this soil. The
cropland areas ovide favorable habita for ring-necked depth
pheasant and ourning dove. Many nong me species can Typica of ll
inches.all the surface layer is t brown
d about 8
o e
inches thick. The underlying mat t to s depth of 60
be attracted establishing areas for nest g and escape inches is brow sand.
cover. For p easants, undisturbed nesting c ver is essen- --Permeability rapid. Available ater capacity is
tial and sh ld be included in plans for habi t develop- moderate. The e ctive rooting depth is 60 inches or
ment, esp cially in areas of intensive agricult e. Range- more. Surface runo is slow, and the erosion hazard is
land wil e, for example, the pronghorn antelo e, can be low.
attracte by developing livestock watering cilities, This soil is suited o' . led cropping. Intensive
managing livestock grazing, and reseeding where n eded. cropping is hazardous be u- of erosion. The cropping
Thin soil has poor potential for urban and recre ional system should be limited t uch close grown crops as al-
dev lopment. Slow permeability and high shrink well falfa, wheat, and barley Th soil also is suited to ir-
rigated a problems in dwelling and road construction. C a-
b.
pasture. A s ' ble cropping system is 3 to 4
b"ty subclass IIIe irrigated, IVe nonirrigated; Clay years of alfalfa folio ed by 2 years of corn and small
lains range site. grain and alfalfa se ed with a nurse crop.
68—Ustic Torriorthents, moderately steep. These are Closely spaced ntour ditches or spr'nkers can be used
deep, excessively drained soils on terrace breaks and in irrigating do grown crops. Contour urrows or sprin-
escarpments at elevations of 4,450 to 5,100 feet. They klers should e used for new crops. App ations of bar-
formed in gravelly alluvium and have slopes of 9 to 25 nyard man e and commercial fertilizer he to maintain
percent. Included in mapping are small areas of soils that good pr ction.
have pockets of sandy loam and loam in the underlying The otential vegetation is dominated y sand
material. blues m, sand reedgrass, switchgrass, sideoats ama,
Typically the surface layer is pale brown gravelly sand nee eandthread, little bluestem, and blue grama. oten-
about 10 inches thick. The underlying material to a depth ti production ranges from 2,500 pounds per acre\in
of 60 inches is pale brown gravelly sand. avorable years to 1,800 pounds in unfavorable years. As.
100 SOIL SURVEY
TABLE 6.--BUILDING SITE DEVELOPMENT
[Some of the terms used in this table to describe restrictive soil features are defined in the Glossary. See
text for definitions of "slight," "moderate," and "severe." Absence of an entry means soil was not
rated]
I I
Soil name and I Shallow Dwellings I Dwellings Small Local roads
map symbol ' excavations without ; with commercial and streets
basements I basements buildings
----) 1 , 2 Severe: Moderate: Moderate: Moderate: Moderate:
Altvan cutbanks cave. shrink-swell. shrink-swell. shrink-swell. shrink-swell,
frost action.
3*: ,
Aquolls Severe: Severe: Severe: Severe: Severe:
floods, floods, floods, floods, floods,
wetness. wetness. wetness. wetness. wetness,
frost action.
Aquents Severe: Severe: Severe: Severe: Severe:
floods, floods, floods, floods, floods,
wetness. wetness. wetness. wetness. wetness,
- frost action. -
j
4*: ,
Aquolls ;Severe: Severe: Severe: Severe: Severe:
I floods, floods, floods, floods, floods,
: wetness. wetness. wetness. wetness. wetness, -
frost action.
I
Aquepts ;Severe: Severe: Severe: Severe: Severe:
; floods, floods, floods, floods, floods, -''
I wetness. wetness. wetness. wetness. wetness,
frost action.
'" 5 Slight Moderate: Moderate: Moderate: Moderate: "''
Ascalon low strength. low strength. low strength. frost action,
low strength. -
6, 7 Slight Moderate: Moderate: Moderate: Moderate: '.
Ascalon low strength. low strength. slope, frost action, 0
low strength. low strength.
8, 9 Slight Moderate: Moderate: Moderate: Moderate: _.
Ascalon low strength. low strength. low strength. frost action, al
low strength.
—7,10 Severe: Severe: Severe: Severe: Severe: 9
Bankard cutbanks cave, floods. floods. floods. floods. zi9�
floods. -
11 , 12 Slight Slight Slight Slight r' Moderate:
Bresser frost action.
13 ,Severe: Moderate: Moderate: Severe: Moderate: 1;0'
Cascajo ; cutbanks cave, slope. slope. slope. slope.
I small stones.
14, 15 :Slight Slight Slight Slight Moderate:
%
Colby low strength.
16, 17 ;Slight Slight Slight Moderate: Moderate:
Colby slope. low strength.
18*:
Colby ;Slight Slight Slight Moderate: Moderate:
; slope. low strength.
Adena :Slight Moderate: Moderate: Moderate: Moderate:
low strength. low strength. low strength, low strength. _ -
slope.
See footnote at end of table.
1
n
WELD COUNTY, COLORADO, SOUTHERN PART 103
TABLE 6.--BUILDING SITE DEVELOPMENT--Continued
Soil name and Shallow Dwellings Dwellings Small Local roads
map symbol excavations without with commercial and streets
basements basements buildings
66, 67 Moderate: Severe: Severe: Severe: Severe:
Ulm , too clayey. shrink-swell. shrink-swell. shrink-swell. low strength,
shrink-swell.
-168* Severe: Moderate: Moderate: Moderate: Moderate:
Ustic ; small stones, slope. slope. slope. slope.
Torriorthents cutbanks cave.
,
69 Severe: ;Slight Slight Slight Slight.
Valent cutbanks cave. ,
70 Severe: Slight 'Slight Moderate: Slight.
Valent cutbanks cave. slope.
71*:
Valent Severe: Slight Slight Moderate: Slight.
cutbanks cave. slope.
Loup Severe: Severe: Severe: Severe: Severe:
wetness, wetness, wetness, wetness, wetness.
cutbanks cave. floods. floods. floods.
72 LSlight Slight Slight Slight Moderate:
Vona low strength.
73, 74 Slight Slight Slight Moderate: Moderate:
Vona slope. low strength.
75, 76 Slight Slight Slight Slight Moderate:
Vona low strength.
Slight Slight Slight Moderate: Moderate:
...ma slope. low strength.
78, 79 Slight Moderate: Moderate: Moderate: Moderate:
Weld low strength, low strength, low strength, low strength,
shrink-swell. shrink-swell. shrink-swell. shrink-swell,
frost action.
80 Slight Moderate: Moderate: Moderate: Moderate:
Weld low strength, low strength, low strength, low strength,
shrink-swell. shrink-swell. slope, shrink-swell,
shrink-swell. frost action.
81' 82':
Wiley . Slight Moderate: Moderate: Moderate: Moderate:
low strength, low strength, low strength., low strength,
shrink-swell. shrink-swell. shrink-swell. • shrink-swell.
Colby Slight Slight Slight Slight Moderate:
low strength.
83':
Wiley Slight Moderate: Moderate: Moderate: :Moderate:
low strength, low strength, low strength, ; low strength,
shrink-swell. shrink-swell. slope, 1 shrink-swell.
shrink-swell.
Colby Slight Slight Slight Moderate: :Moderate:
slope. I low strength.
* See map unit description for the composition and behavior of the map unit.
104 SOIL SURVEY
TABLE 7.--SANITARY FACILITIES
" [Some of the terms used in this table to describe restrictive soil features are defined in the Glossary. See
text for definitions of "slight," "moderate," "good," "fair," and other terms used to rate soils.
Absence of an entry means soil was not rated]
,
Soil name and Septic tank I Sewage lagoon Trench Area Daily cover
map symbol : absorption areas sanitary sanitary for landfill
fields landfill landfill
;
•
- 1 , 2 'Slight ;Severe: Severe: Slight Fair:
Altvan I seepage. seepage. thin layer.
3•:
Aquolls Severe: ;Severe: Severe: Severe: Poor:
floods, I floods, floods, wetness. wetness.
: wetness. wetness. wetness.
I
Aquents ;Severe: Severe: Severe: :Severe: Poor:
I floods, floods, floods, I wetness. wetness.
I wetness. wetness. wetness.
4•: ;
Aquolls ;Severe: Severe: Severe: ;Severe: Poor:
: floods, floods, floods, : wetness. wetness.
I wetness. wetness. wetness.
Aquepts Severe: ;Severe: Severe: :Severe: Poor:
floods, I floods, floods, ; wetness. wetness.
wetness. I wetness. wetness.
•
5, 6 ;Slight ;Severe: Severe: ;Severe: Good.
Ascalon : I seepage. seepage. I seepage.
7 ;Slight Severe: Severe: ;Severe: Good.
Ascalon slope, seepage. I seepage.
/.-. I seepage.
;
8, 9 ;Slight Severe: Severe: Severe: Good.
Ascalon seepage. seepage. seepage.
;
10 ;Severe: Severe: Severe: Severe: Fair:
Bankard : floods. floods, floods, floods. too sandy.
seepage. seepage.
11 , 12 ;Slight Severe: Severe: Severe: Good.
Bresser : seepage. A -seepage. seepage.
13 ;Moderate: Severe: Severe: Severe: Poor:
Cascajo : slope. slope, seepage. seepage. small stones.
seepage,
small stones. I
I
14, 15, 16 :Slight Moderate: :Slight Slight Good.
Colby : seepage.
17 :Slight ,Severe: :Slight Slight Good.
Colby I I slope.
I I
Colby ;Slight ;Severe: :Slight Slight Good.
slope.
I : :
Adena Moderate: Moderate: Slight Slight Good. -
peres slowly. seepage,
slope.
19 Moderate: Severe: Moderate: Moderate: Good.
Colombo floods. floods. floods. floods.
20 Slight Moderate: Slight Slight Good. --1
Colombo slope,
seepage.
See footnote at end of table.
3
A
ji
•
106 SOIL SURVEY .4s
I
TABLE 7.--SANITARY FACILITIES--Continued -
�\
Soil name and Septic tank Sewage lagoon I Trench Area Daily cover
map symbol : absorption I areas : sanitary ; sanitary for landfill s
fields ; I landfill I landfill
I I
43 Severe: Moderate: :Slight Slight Fair: -
Nunn percs slowly. excess humus. ; too clayey.
r.
44, 45, 46, 47, 48-- Slight Severe: :Slight ,Slight Good.
Olney seepage. I I
49 Slight Severe: :Severe: Severe: .Fair:
Osgood seepage. ; seepage. seepage. ; too sandy. `-'.
50, 51 , 52 Slight Severe: :Slight Slight :Good.
Otero seepage. I
I
53 Slight Severe: Slight .Slight Good.
Otero slope, ;
seepage.
54 Slight Severe: Severe: :Severe: Good.
Paoli seepage. seepage. : seepage.
55 Slight Severe: Severe: :Severe: Good.
Paoli seepage. seepage. ; seepage.
56, 57 Severe: Severe: Severe: :Slight Fair:
Renohill percs slowly, : depth to rock. depth to rock. too clayey,
G3
depth to rock. ; thin layer.
I i
58, 59 Severe: Severe: Severe: :Slight ;Poor:
Shingle depth to rock. depth to rock. depth to rock. : thin layer.
60*: ; I
Shingle Severe: Severe: Severe: Slight :Poor: ;a
depth to rock. depth to rock. depth to rock. ; thin layer.
i^ ,-
Renohill Severe: .Severe: ,Severe: Slight Fair: "
percs slowly, : depth to rock. depth to rock. too clayey, e
depth to rock. I thin layer.
61 Severe: :Severe: Severe: Severe: Poor:
Tassel depth to rock. : depth to rock, depth to rock, seepage. thin layer,
; seepage, seepage. area reclaim.
, slope.
62, 63 Severe: Severe: ...Severe: Slight Fair: .
Terry depth to rock. depth to rock, : depth to rock. thin layer,
seepage. area reclaim.
Y
64, 65 Severe: Severe: Severe: Slight Fair:
Thedalund depth to rock. depth to rock. depth to rock. - i thin layer.
a66 Severe: Slight Moderate: Slight Poor:
Ulm percs slowly. too clayey. too clayey.
67 Severe: Moderate: Moderate: Slight Poor:
Ulm percs slowly. slope. too clayey. too clayey.
;)68' Moderate: Severe: Severe: Severe: Poor: tI
Ustic Torriorthents slope. seepage, seepage, seepage. too sandy,
small stones. too sandy. small stones.
69, 70 Slight Severe: Severe: Severe: Poor:
Valent seepage. too sandy, seepage. too sandy.
seepage.
71*:
Valent Slight Severe: Severe: Severe: Poor:
seepage. too sandy, seepage. too sandy.
`i3
seepage.
Ue
See footnote at end of table.
q
108 SOIL SURVEY
TABLE 8.--CONSTRUCTION MATERIALS
[Some of the terms used in this table to describe restrictive soil features are defined in the Glossary. See
text for definitions of "good," "fair," "poor," and "unsuited." Absence of an entry means soil was not
rated]
Soil name and Roadfill Sand Gravel ; Topsoil
map symbol
I
I
1 , 2 ,Good Fair: Fair: Fair:
Altvan I excess fines. excess fines. thin layer.
. 3'. •
A quolls ;Poor: Good Fair: Poor:
1 wetness, excess fines. wetness.
; frost action. .
Aquents :Poor: Good Fair: Poor:
wetness, excess fines. wetness.
frost action.
44 : I
: :
Aquolls Poor: Unsuited :Unsuited :Poor:
wetness, 1 wetness.
frost action. I I
1
Aquepts Poor: Unsuited ;Unsuited ;Poor:
wetness, ; wetness.
frost action. I
5, 6, 7, 8, 9 Fair: Poor: ;Unsuited 1Good.
Ascalon low strength, excess fines.
frost action,
shrink-swell.
...c, 10 Fair: Fair: Unsuited Poor:
Bankard low strength. excess fines, too sandy.
11 , 12 Fair: Poor: Unsuited Fair:
Bresser frost action, excess fines. small stones.
13 Good Good Good Poor:
Cascajo small stones.
14, 15, 16, 17 Fair: Unsuited Unsuited Good.
Colby low strength. e
18': :
Colby Fair: Unsuited Unsuited ;Good.
low strength. ,
Adena Fair: Unsuited Unsuited--- ;Fair:
low strength. 1 too clayey.
19, 20 Fair: Unsuited Unsuited ;Fair:
Colombo low strength, 1 too clayey.
frost action.
I :
21 , 22 Good Good Good ;Fair:
Dacono ; too clayey.
23, 24 Fair: Unsuited Unsuited Good. •
Fort Collins low strength.
25, 26 Fair: Unsuited Unsuited Good.
Haverson low strength.
27, 28 Poor: Unsuited Unsuited Poor:
Heldt shrink—swell, - too clayey.
low strength.
See footnote at end of table.
1
110 SOIL SURVEY
TABLE 8.--CONSTRUCTION MATERIALS--Continued
Soil name and Roadfill i Sand i Gravel Topsoil
map symbol
:
60a: !
Renohill Poor: :Unsuited Unsuited Poor:
low strength, i thin layer.
thin layer.
61 Poor: Unsuited Unsuited Poor: .
Tassel thin layer, areaeeeclalm:
area reclaim.
62, 63 Poor: 'Unsuited: :Unsuited: Fair:
Terry thin layer, : thin layer. 1 thin layer. small stones.
area reclaim.
64, 65 Poor: :Unsuited Ii Un suited Good.
Thedalund thin layer.
66, 67 Poor: !Unsuited Unsuited Fair:
Ulm shrink—swell, ! too clayey.
low strength.
'---> 6811 Good :Good Good Poor:
Ustic Torriorthents small stones,
too sandy.
69, 70 Good ;Fair Unsuited Poor:
Valent too sandy.
7111: I
Valent Good :Fair Unsuited Poor:
too sandy.
Loup Poor: :Fair: Unsuited: Poor:
wetness. 1 -excess fines. excess fines. wetness.
72, 73, 74, 75, 76, :
77 Fair: Poor: :Unsuited Good.
Vona low strength. excess fines.
78, 79, 80 Fair: Unsuited !Unsuited Fair:
Weld i low strength, ! too clayey.
: shrink—swell, $
: frost action.
i :
81• 82', 83': !
Wiley Fair: ;Unsuited :Unsuited Fair:
low strength, ! too clayey.
shrink—swell.
Colby Fair: :Unsuited !Unsuited Good.
low strength.
• See map unit description for the composition and behavior of the map unit.
s'•
WELD COUNTY, COLORADO, SOUTHERN PART 111
TABLE 9.--WATER MANAGEMENT
me of the terms used in this table to describe restrictive soil features are defined in the Glossary. Absence
of an entry means soil was not evaluated)
I
:
Soil name and I Pond Embankments, ; Drainage Irrigation I Terraces Grassed
map symbol I reservoir dikes, and ; and waterways
areas ; levees I diversions
j
�1 , 2 Seepage Thin layer ;Favorable Favorable :Rooting depth Rooting depth.
Altvan
---1,3*: ;
Aquolls Floods, Floods, Wetness Wetness.
poor outlets. wetness.
• Aquents Floods, ;Floods, Wetness Wetness.
poor outlets. wetness.
41:
Aquolls i Floods, Floods, Wetness Wetness.
; poor outlets. wetness.
Aquepts Floods, Floods, Wetness Wetness.
poor outlets. wetness.
' •
5 Seepage, Piping, Slope Slope, Erodes easily, Erodes easily.
Ascalon slope. low strength. erodes easily. piping.
6 ,Seepage, Piping, Slope Slope, Erodes easily, Erodes easily,
Ascalon slope. low strength. erodes easily. piping. slope.
7 Seepage, Piping, Slope Slope, Erodes easily, Erodes easily,
Ascalon slope. , low strength. erodes easily. piping, slope.
slope.
e.--.... Seepage, :Piping, Favorable Favorable Erodes easily, Erodes easily.
c alon slope. ; low strength. piping.
9 Seepage, ;Piping, Slope Slope, Erodes easily, Erodes easily.
Ascalon slope. I low strength. erodes easily. piping.
-->10 Seepage Piping, Cutbanks cave, Droughty, Erodes easily, Droughty,
Bankard seepage, floods, floods,
erodes easily. piping. erodes easily.
y. poor outlets. seepage.
11 Seepage Favorable Favorable - ' Droughty Erodes easily, Erodes easily.
Bresser
piping.
12 Seepage, Favorable Slope Slope, Erodes easily, Erodes easily.
Bresser slope. erodes easily. piping.
13 Seepage, ;Seepage Slope Slope, Complex slope, Droughty,
Cascajo slope. droughty. piping, slope.
too sandy.
;
14 ;Seepage ;Low strength, Favorable Favorable Favorable Favorable.
Colby : ; piping.
15 ;Seepage ;Low strength, Favorable Favorable Favorable Slope,
Colby : piping.
erodes easily.
16, 17 ;Seepage Low strength, Slope Slope, Favorable Slope,
Colby ; piping. erodes easily. erodes easily.
;
1B':
Colby ;Seepage ;Low strength, Slope Slope, Favorable Slope,
piping. erodes easily. erodes easily.
Adena :Slope, Low strength, Slope, Slope, Slope, Slope,
; seepage. piping. percs slowly. percs slowly. piping. percs slowly.
1,2_, :Seepage Low strength, Floods Favorable Erodes easily Erodes easily.
ombo compressible.
:
See footnote at end of table.
114 SOIL SURVEY
TABLE 9.--WATER MANAGEMENT--Continued
oil name and Pond Embankments, I Drainage Irrigation Terraces I Grassed
map symbol reservoir dikes, and I and waterways
areas levees diversions
r
63 Slope, Piping, ;Slope, Slope, Slope, Slope,
Terry depth to rock, thin layer. I rooting depth. rooting depth, depth to rock, rooting depth,
seepage.seepage. : soil blowing. soil blowing. soil blowing.
64 Depth to rock, Low strength, ;Slope, Slope, Depth to rock !Rooting depth.
Thedalund slope. piping, I depth to rock. rooting depth.
thin layer. I '
65 Depth to rock, Low strength, :Slope, Slope, Depth to rock ;Slope,
Thedalund slope. piping, I depth to rock. , rooting depth. rooting depth.
thin layer. I
65 Favorable Low strength, ;Favorable Percs slowly, Peres slowly--- Erodes easily.
Ulm shrink-swell, I erodes easily.
compressible. I
!
57 Slope ;Low strength, :Slope Slope, Peres slowly--- Erodes easily.
Ulm I shrink-swell, I percs slowly,
: compressible. I erodes easily.
�68" Seepage, ;Seepage :Slope Slope, Too sandy, Droughty,
Ustic slope. droughty. slope. slope.
Torriorthents I '
69 Seepage, :Piping, ;Slope Slope, Erodes easily, Erodes easily.
Valent slope. : seepage. erodes easily, piping.
droughty. `$
70 Seepage, ;Piping, ,Slope Slope, Erodes easily, :Slope,
Valent slope. : seepage. : erodes easily, piping. : erodes easily.
droughty.
:
Valent Seepage, Piping, Slope Slope, Erodes easily, (Slope, - j;
slope. I seepage. : erodes easily, piping. : erodes easily.
l : droughty.
! !
Loup Seepage - l Seepage, Poor outlets, Wetness, Not needed Not needed. .,
piping. cutbanks cave. : seepage.
72, 73 Seepage, Piping, Slope 'Slope, Piping, Erodes easily.
Vona slope. erodes easily, - fast intake, erodes easily.
seepage. seepage.
74 Seepage, Piping, Slope Slope, Piping, Slope,
Vona slope. erodes easily, ! fast intake, erodes easily., erodes easily.
seepage. : seepage. - .I
:
75 Seepage, Piping, Favorable Fast intake, Piping, :Erodes easily.
Vona slope. erodes easily, seepage. erodes easily. I
seepage.
76, 77 Seepage, Piping, Slope Slope, Piping, :Erodes easily.
Vona slope. : erodes easily, fast intake, erodes easily. ;
seepage. seepage.
;
78 Seepage Low strength--- Peres slowly--- Peres slowly, Piping, :Peres slowly.
Weld slow intake. percs slowly. I
79, 80 Seepage Low strength--- Slope, Slope, Piping, (Peres slowly.
Weld percs slowly. percs slowly, percs slowly. :
slow intake.
81+:
Wiley Slope, Piping, Percs slowly--- Favorable Piping Erodes easily.
seepage. low strength. '
,—Colby Seepage Low strength, Favorable Favorable Favorable Favorable.
piping. .
I
See footnote at end of table.
116 SOIL SURVEY
TABLE 10.--RECREATIONAL DEVELOPMENT
[Some of the terms used in this table to describe restrictive soil features are defined in the Glossary. See
text for definitions of "slight," "moderate," and "severe." Absence of an entry means soil was not
rated]
Soil name and Camp areas Picnic areas Playgrounds Paths and trails
map symbol
2.1 Slight Slight Slight Slight.
Altvan ,
2 ;Slight Slight Moderate: Slight.
Altvan slope.
3A Aquolls ;Severe: Severe: Severe: Severe:
wetness, wetness, wetness, wetness,
floods. floods. floods. floods.
Aquents Severe: Severe: Severe: Severe:
wetness, wetness, wetness, wetness,
floods. floods. floods. floods.
4f:
Aquolls Severe: Severe: Severe: Severe:
wetness, wetness, wetness, wetness,
floods. floods. floods. floods.
Aquepts Severe: Severe: Severe: Severe:
wetness, wetness, wetness, wetness,
floods. floods. floods. floods.
5, 6 Slight Slight Moderate: ' Slight.
Ascalon slope.
7 ;Slight Slight Severe: Slight.
Ascalon I slope.
8 !Slight Slight Slight Slight.
Ascalon
9 ;Slight Slight Moderate: Slight.
Ascalon slope.
10 ;Severe: Moderate: Severe: Slight.
Bankard i floods. floods, floods.
too sandy. rg
11 ;Slight Slight Slight Slight.
Bresser
i
12 Slight Slight Moderate: Slight.
Bresser slope.
13 Moderate: Moderate: Severe: Moderate: :f
Cascajo slope, slope, slope, small stones.
small stones. small stones. small stones.
14 Moderate: Moderate: Moderate: Moderate: '.
Colby dusty. dusty. dusty. dusty. `
15, 16 Moderate: Moderate: Moderate: Moderate:
Colby dusty. dusty. slope, dusty.
dusty.
17
Moderate: Moderate: Severe: Moderate:
Colby dusty. dusty. slope. dusty.
18•:
Colby Moderate: Moderate: Severe: Moderate: _$
dusty. dusty. slope. dusty.
i
l
See footnote at end of table.
WELD COUNTY, COLORADO, SOUTHERN PART 119
TABLE 10.--RECREATIONAL DEVELOPMENT--Continued
Soil name and Camp areas Picnic areas Playgrounds Paths and trails
map symbol
60': ,
Renohill Moderate: Moderate: 'Severe: Moderate:
percs slowly, too clayey. ' slope. too clayey.
too clayey. '
'
61 Moderate: Moderate: ;Severe: Slight.
Tassel slope. slope. ; depth to rock,
1 slope.
$
62 Moderate: Moderate: !Moderate: Moderate:
Terry dusty. dusty. ; dusty, dusty.
' depth to rock.
63 Moderate: Moderate: 'Severe: !Moderate:
Terry dusty, dusty. ' slope. ; dusty.
' ;
64 Moderate: Moderate: ;Moderate: !Slight.
Thedalund dusty. dusty. ; slope,
I depth to rock,
; dusty.
55 Moderate: Moderate: ;Severe: Slight.
Thedalund dusty. dusty. ; slope.
,
65 Moderate: Moderate: ;Moderate: Moderate:
Ulm percs slowly, too clayey. ; percs slowly. too clayey.
too clayey. '
'
67 Moderate: Moderate: 'Moderate: Moderate:
Ulm percs slowly, too clayey. ' peres slowly, too clayey.
,"" too clayey. ; too clayey, i
( slope.
53* Severe: Severe: 'Severe: Severe:
Ustic Torriorthents small stones, small stones, ; slope, small stones,
too sandy. too sandy. ; small stones, too sandy.
too sandy.
I
69 Moderate: Moderate: Severe: 'Severe:
Valent too sandy, too sandy, too sandy. ' too sandy.
dusty. dusty. !
70 Moderate: Moderate: Severe: :Severe:
Valent too sandy, too sandy, too sandy, ' too sandy.
dusty. dusty. slope. $
71':
Valent Moderate: Moderate: Severe: 'ISevere:
too sandy, too sandy, too sandy, too sandy.
dusty. dusty. slope.
Loup Severe: Severe: Severe: Severe:
wetness, wetness. wetness. wetness.
floods.
72 Moderate: Moderate: Moderate: Moderate:
Vona too sandy, too sandy, too sandy, too sandy,
dusty. dusty. dusty. dusty.
73 Moderate: Moderate: Moderate: Moderate:
Vona too sandy, too sandy, too sandy, too sandy,
dusty. dusty. slope, dusty.
dusty.
74 Moderate: Moderate: Severe: Moderate:
Vona too sandy„ too sandy, slope. too sandy,
dusty. dusty. dusty.
See footnote at end of table.
124 SOIL SURVEY
TABLE 12.--ENGINEERING PROPERTIES AND CLASSIFICATIONS
(The symbol < means less than; > means greater than. Absence of an entry means data were not estimated]
Classification 1Frag— Percentage passing 1
Soil name and Depth USDA texture i lments sieve number-- :Liquid ; Plas—
map symbol Unified AASHTO I > 3 I limit 1 ticity
:inches 4 I 10 40 200 index
In Pct
_ i Pct
�1, 2 0-10 Loam CL-ML A-4 ; 0 90-100 85-100 60-95 50-75 20-30 ; 5-10
Altvan 10-25 Clay loam, loam CL A-6, A-7i 0 95-100 95-100 85-100 70-80 35-50 1 15-25
25-60 Sand and gravel SP, SP-SM A-1 i 0 75-95 70-90 125-35 0-10 --- 1 NP
--->3*' 1 1 I
Aquolls 0-48 Variable --- --- i --- , --- --- --- --- --- ---
48-60 Sand, gravelly ISP, SP-SM A-1 0-10 60-90 ,50-70 130-50 , 0-10 ; --- NP
sand. 1 I I
i
Aquents 0-48 Variable --- --- I --- --- 1 --- --- i --- --- ---
48-60 Sand and gravel SP, SP-SM A-1 1 0-10 60-90 150-70 30-50 1 0-10 1 --- NP
4*: 1 i
Aquolls 0-60 Variable --- --- ; ___ ___ 1 ___ ___ 1 ___ ; ___
Aquepts 0-60 Variable --- --- --- --- ; _-- ___ I ___ ; --- __-
5, 6, 7 0-8 Sandy loam SM A-2, A-41 0 95-100190-100 70-95 125-50 1 15-25 NP-5
Ascalon 8-18 Sandy clay loam SC, CL A-6 0 95-100 90-100 80-100140-55 1 20-40 10-20
18-60 Sandy loam, SC, A-4, A-6 0 95-100 95-100 75-95 :35-65 1 20-40 5-15
sandy clay SM-SC, 1
loam, fine CL,
sandy loam. CL-ML
8, 9 0-8 Loam SM A-2, A-4 0 95-100 90-100 70-95 125-50 15-25 NP-5
Ascalon 8-18 Sandy clay loam SC, CL A-6 0 95-100 90-100 80-100140-55 20-40 10-20
18-60 Sandy loam, SC, A-4, A-6 0 95-100 95-100 75-95 135-65 20-40 5-15
sandy clay SM-SC,
loam, fine CL,
,�.-- sandy loam. CL-ML 1
0-4 Sandy loam SM A-2, A-4 0 95-100 90-100 60-70. 13
/ Bankard 4-60 Fine sand, sand, SP-SM, SM A-2, 0-5 70-100 60-100 40-70 15-25 --- NP
gravelly sand. A-3, i
A-1
11 , 12 0-16 Sandy loam SM A-1, A-2 0 95-100 75-100,35-50 120-35 15-25 NP-5
Dresser 16-25 Sandy clay loam SC A-2, 0 95-100 75-100150-70 130-50 30-55 10-25
A-6, 1 1
25-30 Sandy loam, SC, SM-SC A-2, A-1 0 90-100160-100130-60 120-30 25-35 5-15
coarse sandy 1 '
loam, gravelly I
sandy loam.
30-60 Loamy coarse SP-SC A-2, A-1 0-5 180-100135-85 120-50 5-10 20-30 5-10
sand, gravelly 1 ,,,,.-.
loamy sand , I - .
very gravelly i
loamy sand.
13 0-9 Gravelly sandy GM A-1 , A-2 0-15 150-65 I50-60 15-40 10-35 --- NP
Cascajo loam.
9-31 Very gravelly GP-GM, A-1 0-15 115-50 115-50 5-30 0-20 --- NP
sandy loam, GP, GM 1
very gravelly
loamy sand, 1
very gravelly
sand. I
31-60 Very gravelly GP, SP, A-1 0-15 110-60 10-60 5-30 0-10 --- NP
loamy sand, GP-GM,
very gravelly SP-SM
sand, gravelly 1
sand. 1
See footnote at end of table:
-1.
I
•
WELD COUNTY, COLORADO, SOUTHERN PART 127
•
TABLE 12.--ENGINEERING PROPERTIES AND CLASSIFICATIONS--Continued
Classification Frag- 1 Percentage passing '
Soil name and Depth USDA texture ments sieve number-- :Liquid Plas-
map symbol Unified AASHTO > 3 : limit : ticity
inches 4 10 ' 40 200 : index
In Pct 1 Pct
56, 57 0-9 Clay loam CL A-6 0 85-100 80-100 80-95 70-80 25-40 10-20
Renohill 9-32 Clay, clay loam CL, CH A-7, A-6 0 95-100 90-100 90-100 75-95 35-65 20-35
32 Weathered --- : --- --- --- --- --- --- "-- ' ---
bedrock.
58, 59 0-6 Loam CL-ML :A-4 0-5 75-100 75-100 70-95 ,55-75 25-35 5-10
Shingle 6-18 Clay loam, loam CL A-6 0 75-100 75-100 65-100:50-80 30-40 10-20
18 Unweathered --- --- --- --- --- --- : --- --- ---
bedrock. 1
I
60':
Shingle 0-6 Loam CL-ML A-4 : 0-5 75-100 75-100 70-95 55-75 : 25-35 , 5-10
6-18 Clay loam, loam CL A-6 : 0 75-100 75-100 65-100 50-80 30-40 : 10-20
18 Unweathered --- --- 1 --- --- --- --- --- : --- -"-
bedrock.
1 1
Renohill 0-9 Clay loam CL A-6 ; 0 85-100 80-100:80-95 70-80 : 25-40 : 10-20
9-32 Clay, clay loam CL, CH A-7, A-6 0 95-100 90-100 90-100 75-95 1 35-65 1 20-35
' 32 Weathered --- --- --- ___ 1 ___ ' ---
bedrock.
61 0-11 Fine sandy loam ML, SM A-4 0 95-100 90-100 70-95 40-65 20-35 1 NP-5
Tassel 11 Unweathered --- --- I --- --- --- --" "-- -"- ---
bedrock.
62, 63 0-6 Fine sandy loam SM, ML iA-2, A-4 0-5 75-100 75-100 70-90 30-60 I --- NP
Terry 6-18 Fine sandy loam, SM, ML A-4 0 75-100 75-100 70-85 40-60 : --- : NP
sandy loam. '
18-37 Fine sandy loam, SM A-2, A-4 0-5 75-100 75-100170-85 25-50 1 --- I NP
sandy loam, '
loamy fine
sand.
37 Weathered : --- --- --- --- -"' '-" "-- "-- ---
bedrock.
64, 65 0-8 Loam CL-ML - A-4 0-5 80-100 75-100 70-95 50-75 20-30 5-10
Thedalund
8-25 Clay loam, loam, CL-ML, A-6, A-4 0-5 80-100 75-100 70-95 40-80 25-35 i 5-15
very fine sandy CL,
loam. SM-SC,
SC
25 Weathered --- --- ___ ___ ___ ___ -__ ---
bedrock.
66, 67 0-5 Clay loam CL A-6 0-5'• 95-100 95-100180-100 70-80 30-40 i 10-15
Ulm 5-19 Clay loam, clay CL A-6, A-7 0-5 75-100 75-100175-100 60-80 35-45 1 20-30
19-60 Clay loam CL A-6 0-5 15-100 75-100„175-100 60-80 30-40 i 15-20
7 68' 0-60 Variable --- --- --- --- --- _"- --- --- ---
Ustic
Torriorthents
69, 70 0-8 Fine sand SM A-? 0 100 100 80-95 10-30 --- NP
Valent 8-60 Fine sand, sand SP-SM, SM A-2, A-3 0 100 95-100 75-90 5-20 --- NP
71':
Valent 0-8 Fine sand SM, A-2 0 100 100 80-95 10-30 --- i NP
8-60 Fine sand, sand SP-SM, SM A-2, A-3 0 100 95-100 75-90 5-20 --- : NP
Loup : 0-16 Loamy sand SM A-2 0 100 100 50-100 15-30 , --- : NP
:16-60 Fine sand, loamy SP-SM, SM A-2, A-3 0 100 100 65-100 5-20 : --- NP
sand, sand.
See footnote at end of table.
WELD COUNTY, COLORADO, SOUTHERN PART 129
TABLE 13.--PHYSICAL AND CHEMICAL PROPERTIES OF SOILS
r
symbol < means less than; > means greater then. The erosion tolerance factor (T) is for the entire
profile. Absence of an entry means data were not available or were not estimated]
I i I Risk of corrosion Erosion Wind
Soil name and Depth Permea- IAvailablei Soil ;Salinity Shrink- factors erodi-
map symbol bility water ;reaction I swell Uncoated Concrete bility
capacity I potential steel K T group_
In In/hr In/in 1 pH IMmhos/cm
1, 2 I 0-10 0.6-2.0 0.20-0.241 6.6-7.8 I --- Low Moderate Low 0.24 3 5
Altvan 110-25 0.6-2.0 0.15-0.171 7.4-8.4 1 <2 Moderate Moderate Low 0.28
. 125-60 >20 0.02-0.041 7.4-9.0 1 <2 Low Moderate Low 0.10
I i i
93'.
Aquolls 1 0-48 --- --' I
48-60 >20 ;0.04-0.061 7.4-8.4 2-16 Low High Moderate ---
i I
Aquents I 0-481 --- i --- I --- --- g --- _--
:48-601 >20 i 0.04-0.061 7.4-8.4 2-16 Low High Moderate ---
4':
Aquolls 0-60: --- --- --- --- -�- ---
Aquepts 0-60 --- --- --- --- --- --- ---
5, 6, 7, 8, 9 0-8 0.6-6.0 0. 11-0,16 6.6-7.8 <2 Low Low Low 0.17 5 3
Ascalon 8-18 0.6-2.0 0.13-0.15 6.6-7.8 (2 Moderate Moderate Low 0.24
18-60 0.6-6.0 0.11-0.15 7.9-8.4 (2 Low Moderate Low 0.24
�
10 0-4 2.0-6.0 0.09-0. 12 7.4-8.4 <2 Low Moderate Low 0.10 5 3
Bankard 4-60 6.0-20 0.05-0.08 7.4-8.4 <2 Low Moderate Low 0.10
11 , 12 0-16 0.6-6.0 0.11-0.13 6.1-7.3 --- Low Low Low 0.10 5 2
Bresser 16-25 0.6-2.0 0.15-0.18 6.6-7.3 --- Low Moderate Low 0.15
25-30 0.6-6.0 0.10-0.13 6.6-7.3 --- Low Low Low 0.10
r 130-60 2.0-20 0.05-0.08 6.6-7.3 --- Low Low Low 0.10
0-9 2.0-6.0 0.07-0.09 7.4-8.4 <2 Low Moderate Low 0.10 5 8
Cascajo 9-31 6.0-20 0.05-0.08 7.4-8.4 <2 Low Moderate Low 0.10
31-60 6.0-20 0.05-0.06 7.4-8.4 <2 Low Moderate Low 0.10
14, 15, 16, 17 0-7 0.6-2.0 0.20-0.24 6.6-8.4 <2 Low Moderate Low 0.37 5 4L
Colby 7-60 0.6-2.0 0.17-0.22 7.4-8.4 <2 Low Moderate Low 0.37
18': i 1
Colby 0-7 10.6-2.0 0.20-0.24 6.6-8.4 <2 Low Moderate Low 0.37 5 4L
7-601 0.6-2.0 0.17-0.22 7.4-8.4 <2 Low Moderate Low 0.37
Adena 0-6 i 0.6-2.0 0.18-0.21 6.6-7.8 <2 Low Moderate Low 0.37 5 5
6-9 0.06-0.2 0.16-0. 18 6.6-7.8 <2 High High Low 0.24
9-60 0.6-2.0 0.16-0.18 7.4-8.4 <2 Low High Low 0.32
ry
19, 20 0-14 0.6-2.0 0.14-0.18 7.4-8.4 <2 Low High Low 0.32 5 5
Colombo 14-21 0.6-2.0 0.14-0.16 7.4-8.4 <2 Moderate High Low 0.28
21-601 0.6-2.0 0.14-0.16 7.4-8.4 <2 Low High Low 0.28
21 , 22 0-12 0.2-0.6 0.19-0.21 6.6-7.8 <2 Moderate Moderate Low 0.24 3 5
Dacono 12-21 0.2-0.6 0. 15-0.21 7.4-8.4 <2 High High Low 0.24
21-27 0.2-2.0 0.13-0.18 7.4-8.4 <2 Moderate High Low 0.15
27-60 >20 0.03-0.05 7.4-8.4 <2 Low High Low 0. 10
23, 24 0-7 0.6-2.0 10.16-0.201 6.6-7.8 <2 :Lou Moderate Low 0.20 5 6
Fort Collins 7-11 0.6-2.0 0.16-0.18 7.4-7.8 <2 ;Moderate Moderate Low 0.20
11-60 0.6-2.0 0.16-0.18 7.4-8.4 <2 :Low High Low 0.20
25, 26 I 0-4 0.6-2.0 0.14-0. 18 6.6-8.4 <8 :Low High Low 0.28 5 4L
Meyerson 4-60 0.6-2.0 0.14-0.18 7.4-8.4 <8 ;Low High Low 0.28
27, 28 0-60 0.06-0.6 0.12-0.17 7.9-9.0 <8 :High High High 0.28 5 4
Heldt
See footnote at end of table.
S:
WELD COUNTY, COLORADO, SOUTHERN PART 131
TABLE 13.--PHYSICAL AND CHEMICAL PROPERTIES OF SOILS--Continued
1 Risk of corrosion ' Erosion;Wind
Soil name and Depth Permea- Available' Soil Salinity' Shrink- ' ' ' factors:erodi-
map symbol bility water :reaction ' swell ;Uncoated 'Concrete 1—r---'bility
capacity 1 :potential ' steel 1 ' K I 'group
In In/hr In/in 1 1'" Mmhos/cml
' '
60•: ' ' ' '
Renohill 0-9 0.2-0.6 0.-17-0.21 ' 6.6-7.8 i <2 :Moderate 'High 'Low 0.37., 3 6
9-32 0.06-0.2 0.14-0. 16' 6.6-8.4 : <2 :High 'High :Low 0.321
32
61 0-11 2.0-6.0 0.16-0.18' 7.4-8.4 <2 'Low High 'Low '0.241 1 3
Tassel 11 --- --- ' --- ' --- '
'
62, 63 0-6 2.0-6.0 0.13-0.15: 7.0-7.8 1 <2 Low Moderate 'Low 0.201 2 3
Terry . 6-18 2.0-6.0 0.13-0.151 7.0-7.8 ' <2 Low ,Moderate 'Low 0.201 1
18-37 2.0-6.0 0.13-0.15: 7.9-8.4 ' <2 Low 'High 'Low 0.20
37 ---
64, 65 0-8 0.6-2.0 0.16-0.18 7.9-8.4 <2 Low 'High 'Low 0.32 2 4L ,L
Thedalund 8-25 0.6-2.0 0.16-0.18 7.9-8.4 <2 Low :High 'Low 0.32
25 ___ ___ ___ ___ :
66, 67 0-5 0.6-2.0 0.16-0.18 6.6-7.8 --- Low 'High :Low 0.32 5 6'
Ulm 5-19 0.06-0.2 0.19-0.21 7.4-8.4 <2 High 'High 'Low 0.37
19-60 0.6-2.0 0.19-0.21 , 7.9-8.4 <2 Moderate 'High 'Low 0.37
-468• 0-60 "__ ___ ___ ___ .-
Ustic
Torriorthents I I
69, 70 0-8 6.0-20 0.07-0.121 6.6-7.3 i --- 'Low Low 'Low 0:10 5 1 1
Valent 8-60 6.0-20 ,0.05-0.101 6.6-7.8 <2 'Low Low :Low ,0:10 :
71':
Valent 0-8 6.0-20 '0.07-0.121 6.6-7.3 ' --- 'Low Low 'Low 0.10 5 ' 1
8-60 6.0-20 '0.05-0.10: 6.6-7.8 I <2 :Low Low 'Low 0.10
Loup 0-16 6.0-20 10.10-0.14 6.6-8.4 <2 Low High :Low 0.17 5 I 2
16-60 6.0-20 :0.06-0.08 7.4-8.4 1 <2 Low High ;Low 0.17
72, 73, 74 0-6 6.0-20 10.09-0.11 6.6-7.3 I --- Low Low 'Low 0.10 5 2
Vona 6-28 2.0-6.0 10.12-0.14 6.6-8.4 <4 Low High :Low 0.10
28-60 6.0-20 '0.08-0.11 7.4-8.4 <4 Low - High 'Low 0.10
75, 76, 77 0-6 2.0-6.0 0.11-0.13 6.6-7.3 ' - Low Low 'Lou 0.10 5 I 3
Vona 6-28 2.0-6.0 0.12-0.14 6.6-8.4 -<•4 Low High 'Low 0.10
28-60 6.0-20 0.08-0.11 7.4-8.4 <4 Low High :Low 0.10
78, 79, 80 0-8 0.6-2.0 0.16-0.21 6.6-7.3 <2 Low Low :Low 0.32 5 6
weld 8-15 0.06-0.2 0.19-0.21 6.6-7.8 <2 High Moderate 'Low 0.28
15-60 0.6-2.0 0.16-0.21 7.4-8.4 <2 Low High 'Low 0.28
81*, 82*, 83`:
Wiley 0-11 0.6-2.0 0.19-0.21 7.4-7.8 <2 Low High 'Low 0.37 5 4L
11-60 0.6-2.0 0.19-0.21 7.9-8.4 <2 Moderate High :Low 0.37
Colby. 0-7 0.6-2.0 0.20-0.24 6.6-8.4 <2 Low Moderate :Low 0.37 5 4L
7-60 0.6-2.0 0.17-0.22 7.4-8.4 <2 Low Moderate 'Low 0.37
* See map unit description for the composition and behavior of the map unit.
132 SOIL SURVEY
TABLE 14.--SOIL AND WATER FEATURES
(Absence of an entry indicates the feature is not a concern. See text for descriptions of symbols and such
terms as "rare," "brief," and "perched." The symbol. < means less than; > means greater than]
Flooding i High water table Bedrock
Soil name and Hydro- : 1 i I Potential
map symbol logic Frequency Duration :Months Depth I Kind Months :Depth:Hard- ! frost
group I 1 1 ness action
, Ft 1 In
1, 2 B None --- i --- >6.0 1 --- --- >60 --- Moderate.
Altvan
---.->3*: : 1
Aquolls D Frequent---- Brief ;Apr-Jun 0.5-1 .0:Apparent Apr-Jun >60 --- High.
Aquents D Frequent---- Brief ;Apr-Jun 0.5-1.0 Apparent Apr-Jun >60 --- High.
4*:
Aquolls D Frequent---- Brief ;Apr-Jun 0.5-1.5 Apparent,Apr-Jun, >60 --- High.
Aquepts D Frequent---- Brief ;Apr-Jun 0.5-1.5,Apparent;Apr-Jun; >60 --- High.
5, 6, 7, 8, 9 B _None --- : --- >6.0 --- --- 1 >60 --- Moderate.
Ascalon
10 A Frequent---- Brief ;Mar-Jun >6.0 --- --- i >60 --- Low.
Bankard •
11 , 12 B None --- --- >6.0 --- , --- >60 --- Moderate.
Bresser
13 A None --- --- >6.0 ; --- ' --- I >60 --- Low.
Cascajo
14, 15, 16, 17---- B None . --- --- >6.0 --- --- >60 --- Low.
Colby ,
18*'
Colby B None --- --- >6.0 --- --- >60 --- Low.
Adena C None --- --- >6.0 i --- i --- >60 --- Low.
19, 20 B Rare --- --- >6.0 ; --- i --- i >60 --- Moderate.
Colombo :
21 , 22 C None --- --- >6.0 ; --- ' ; >60 --- Low.
/
Dacono
23, 24 B None to rare --- --- >6.0 , --- --- 1 >60 --- Lou.
Fort Collins
25, 26 B Rare to Brief May-Sep >6.0 --- ___ 1 >60 --- Low.
Haverson common. - .
27, 28 C None --- --- >6.0 --- --- 1 >60 --- Low.
Heldt
29, 30 A None --- --- >6.0 --- --- >60 --- Moderate.
Julesburg
31 , 32, 33, 34---- B None --- --- >6.0 --- --- >60 --- Low.
Kim
35*: :
Loup D Rare to Brief Mar-Jun ..5-1.5 Apparent Nov-May; >60 I --- :Moderate.
common. 1
Boel A Occasional Brief Mar-Jun 1 .5-3.5 Apparent Nov-May >60 ; --- ;Moderate.
36*.
Midway D None --- --- >6.0 --- --- ;10-20;Rip- :Low.
- 1 gable;
e---
I i
See footnote at end of table.
WELD COUNTY, COLORADO, SOUTHERN PART 133
TABLE 14.--SOIL AND WATER FEATURES--Continued
Flooding High water table Bedrock__
Soil name and Hydro- i i i Potential
map symbol logic Frequency ; Duration ;Months Depth Kind ;Months Depth Hard- frost
group i ness action
Ft In
i I
36*:
I
Shingle D None i --- ; --- >6.0 --- ; --- 10-20 Rip- Lou.
pable
37, 38 ; B None ; --- --- >6.0 --- --- 20-40 Rip- Low.
Nelson I I pable
, ,
39, 40, 41 , 42, i i I
43 C None --- --- >6.0 --- --- >60 i --- Moderate.
Nunn
44, 45, 46, 47,
48 B None --- ; --- >6.0 --- --- >60 i --- ;Lou.
Olney
i
49 A 'None --- --- >6.0 --- , --- >60 ; --- Low.
Osgood
50, 51 , 52, 53---- B None --- --- >6.0 --- ; --- >60 ; --- ;Lou.
Otero
54, 55 B i None to rare --- --- >6.0 --- ; --- >60 --- Moderate.
Paoli
56, 57 C None --- --- >6.0 --- ; --- 20-40 Rip- Low.
Renohill , pable
58, 59 D None ; --- --- >6.0 --- i --- 10-20 Rip- Low.
Shingle pable
'Ingle D None --- --- ; >6.0 --- ; --- 10-20 Rip- Low.
pable
Renohill C None --- --- >6.0 --- --- 20-40 Rip- Low.
pable
61 D None , --- --- ; >6.0 --- --- 10-20 Rip- Low.
Tassel pable
62, 63 B None --- --- I >6.0 --- --- 20-40 Rip- Low.
Terry pable
64, 65 C None --- --- >6.0 --- --- 20-40 Rip- Low.
Thedalund pable
66, 67 C None --- --- >6.0 ---
--- 'j50,., --- Lou.
Ulm
--- >6.0 --- >60 --- Low.
�6 Us i A None; --- ---Ustic
Torriorthents
69, 70 ; A None --- --- >6.0 --- --- >60 --- Low.
Valent
71*:
Valent A None --- >6.0 --- --- >60 --- Low.
Loup D Rare to Brief Mar-Jun +.5-1.5 Apparent Nov-May >60 --- Moderate.
common.
72, 73, 74, 75, 1
76, 77 1 B None --- --- >6.0 --- --- >60 --- Low.
Vona
See footnote at end of table.
nt�Uartcl rvv. zviw
Fir • ,STATE OF COLORADO Lwsi �, ,� ,�
Rment of Highways PROJEC FR 034-� 1v_)
on Ot Highways
/ October, 1978 DOH Form No. 158 LOCATION East of Grails - fast
Revised:
r COUNTY Weld
DISTRICT 4 DATE ,inha 27. 1968
PIT IDENTIFICATION FIELD REPORT PIT IDENTIFICATION
Subac S Function Part. _ Johnson Pit
88053 ^,n2n 0
S North Ran a 65 West
Located in N F � -�� a - kqection —in—Township_ 9
•Owner(s) _Eldred N. Johnson
Mailing Address 2313 8th Street, Greeley, CO 30631
Previously Used: No. ID Yes 0 Project DOH 157/158 No.
Test for Items: 203 Comp. T 99 121 T 180 0 Curves 1g Stabilometer"R" Value 12
❑ 301 PMBB. Class 0 303 EATS. Clan 0 304 ABC. Class
❑ 308 PCTB. Class
0 403 HBP, Grading 0 410 PMSC. Type
Other. Tests for swell notential
Additional information for tests desired:
Description of pit (Type of deposit surface. etc.) River bottom hay field.
Haul route distance to Station 519+00' nn PC 034-2(6' is anaroxinatelY 1500 (FL,F/
7
0.5' a q roximately 21.00 cu yds Stripping to be removed.
Estimated depth pp
Approximately 11.ODO cu yds Stripping to be replaced.
Estimated depth a Approximately cu yds Overburden to remove.
Approximately _. cu yds Overburden to replace:
Estimated depth 0 to 25' a Approximately
100,000 cu yds 3ormw
Estimated depth
a Approximately cu yds
If overburden is used as filler in the production of sand and gravel, the above quantities should be reduced by the
percentages shown on the Laboratory Design Mix.
Test holes dug (Date) June 22, 1988 Approximate maximum size encountered:
$ in.
Approximate % larger than 12": —.===5 Recommend matt. passing --- grizzly be crushed.
REMARKS:
Sampletl.by
Virgil Lh. Harter Signed Kenneth L. Wood
rue ' District Materials Enginge
Title E.T. III • Dist. Matls, Lab G P 80632
Address P• f'.-1—30X 37D r-el ey
ORANGE COPY:TA FE OESIGN BRANCH
PINK COPY:STAFF MATERIALS BRANCH
BLUE COPY.m..-rw.rvrnrvlry
.it Ur LVwhAuU
V. -vis etn of Highways .0-, ~'ECT FA (t14-�(13)
,visionion Highways PF
JOH Form No. 158-1
October. lye LOCATION East of Greeley - East
-- COMPLETE LOG OF EACH TEST HOLE
r -
SAMPLE O co DEPTH DESCRIPTION OF MATERIAL
_
TEST MATERIAL CHANGES SHIPPED p Q TO
NO. From To Yes/No Z co WATER (With or Without Sample)
IA 0.0' 0.5' No --- * CvPrburden with vecetation
TB 0.5' 1.5' Yes I * Samole —
IC 1.5' 4.0' Yes 1 * Samole
10 4.0' 7.0' Yes 1 * Samole
1E 7.0' 14.0' Yes I * 5arirte
1F 14.0' 16.0' No -- I * Similar to 10
2A 0.0' 0.5' No --- * Similar to IA
' 28 0.5' 1.5' No --- * Similar to 18
2C 1.5' 6.0' No --- * Similar to IC
2D 6.0' 15.0' tto --- * Similar to 10
3A ' 0.0' 0.5' I No --- * Similar to lA
36 0. 5' 2.0' I No --- * Similar to 18
3C 2.0' 6.0' No --- * Similar to IC
30 6.0' 10.0' No --- * Similar to 10
t 3E 1C.0' ,4.0' No --- * Similar to It
3F 14.0' 14'+ No --- * Similar to 19
4A 0.0' 0.5' No --- * Similar to lA
48 0.5' 1.5 ' • No --- * Similar to 18
4C 1.5' 5.0' No --- * Similar to 1C
40 5.0' 14't No --- * Similar to 10
5A 0.0' 0.5' No --- * Similar to 1A
•
5B 0.5' 1.5' No -a- * Similar to 1B
--
14;i 1.5' ' 6.0' No --a * Similar to 1C
50 0.0` 12.0' No --- * Similar _0 lu
SE 12.0' 14.0' '10 I _-- I * Similar to 1E
SF 1 14.0' 16'+ No -- * Similar to 10
6A. I 0.0' 0.5' No --_I * Similar co lA
-
68 0.5' 1.5' No - * . I stm lar to - i8
6C ' 1.o' u66.0' i No --- ► * I similar -0 1:
60 6.0' 12.U' No --- I * 1 Similar to 10
6E 12.0' 14.0' No I -- I * I Similar to 1E
6F I4.0-r 15'+ No I --- I * Stntiar to 10
I
7A 0.u' I 0.5' f Ne --- 1 * I _i:niar .o I1
7U I Cho' I 1_a ' NO - I * tmitar to
iC 1.0' I o.a' r;o I --- IleI similar to it.
7D I 5.5' I 16' t No I --- l * Similar to 1C ,_------
I • 1
a s+atDr encountgrea in tnee no rdt a ;feet on clone 'Z, 1968.
VUWN^' U DEPARTMENT OF HIGHWAYS •
FieldSheet No.
m Pro leel No. 04512 1
LABL. ATORY REPORT ON ITEM 203. 4� PRELIMINARY FR 034-2(13)
(EMBANKMENT OR BORROW) 0 CONSTRUCTION Lace"On
. , . FAST OF OR F,ELEY—EAST
SHEET 1 OF District 4 Dale
3 A-11-11R ..
Test Station and Log Max. Percent Passing LL Pi Class.and MR(K)
No. Size 3 1 % % N4 N10 N40 N200 Group index P.9.1.
ELDR ,D M. (OHNSO 4 PIT '
'IA 0.0'-0.5' * OVERIURDEW WITH VEGETATION
1B 0.5'-1.5' * 100 99 96 88 67 36 32 16 A-6(11 4 A
IC , 1.5'-4.0' * 100 98 92 75 34 5 NV NP A-1-h(01 17 9 )
ID - 4 0'-7 no * inn 97 94 A6 76 47 11 7 NV NP A-1-a(n) 79 9 _
IF 7 n'-1140' * 100 99 97 94 84' 64 _ 44 34 19 A-6(4) 3.9
1F , 14.0'-16.0' * SIMILAR '0 ID A-1-a(0)
2A 0.Q'-0. 5' * SIMILAR '0 IA
78 0.S'-1 . S' * S 'I.Ah '0 1R A-6(ll
2C 1 5'-6 n' * ALIAR
70 IC A-1-6(01
2D 6.0'-15.0' * , lklAR '0 LB _ A-6(I) '
3A 0.0'-0.5' A SI LAR '0 IA
•
38 0. 5'-1.5' * SIPII AR 'O 1R A 6(1)
1`
. 3c I . 5'-6 0' * SIMILAR '0 IC_ _ A-1-6(01
3D _ 6.(V-In.O' * SIMILAR 1) Ill A-I-n(01 '
3E 10.0'-I4.0' * SIMILAR _'0 IE A-6(4)
3F 14.0'-14.0'+ * SIMILAR f0 ID A-1-aO )
Notes end Samplesby 19k EDLA
WIRGIL G. HARPER O T-90 o T-teo
0 Rigid Pavemenl Regional Factor
0 Flexible Pavement
Serviceability index
Are Special corrosive resler'.a..e....._---•,..
f ,. GOLF � DEPARTMENT OF HIGHWAYS p13f1tl`�O`"� 04512
LABORATORY REPORT ON ITEM 203. )
,� PRELIMINARY Project No. FR 034-2(13) ) •
(EMBANKMENT OR BOP ROW) ❑ CONSTRUCTION Location F.. OF GR EY—EAST. •
SHEET 2 OF 3 District Data
4 8-11-88
Percent Pasain.
I Test Station and Log Max. LL PI Class.and MRIK) R
No. - Size 3 1 3i p4 - p10 p40 p200 Group Index P.S.I. Yaw
4A 0.0'—O. 5' * SIM LAR '0 LA •
•
4B 0.5'-1.5' * SIM MR '0 IB A-6(1) 19
4C l.5'-5.0' * S LAR '0 1C A-1-b(0) 78
4D 5.0'-14.-0' * SI LAR '0 ID A-1-a(0) 78
5A 0.0'-0.5' * SI LAR 0 IA
•
58 0. 5'-1.5' * . LIAR 0 1B A•-6(1) 19
r_ Li * rs C A-1-b 0 78
s ► '- ► ' * ► ► .�.-. -1-a 0 78
5F. 12.0'-14.0' * r0 IE A-6(4) 13
5F 14.0'-Ib.0' * $I1 ILA• '0 ID A-I-a(0) 78
r
6A 0.0'-0.5' * SIT ILA 0 IA
6B 0,5'-1.5' * SII ILA• 10 1B A-6(I) 19
X
6C 1.5'-6.Q' * SIIILA' f0 IC A-1-b(0) 78
1
. ► '- ' * . t - $ I A-1-a 0 78
I'- I ' * ■ . F. .. A-6 4 13
6[' 14.0'-15.0'+ * 1 'SIIILAR £0 ID A-1—a(0) 78
Notes and Samples by ❑ T-99 O T-190 lak EDO% 4
•
VIRGIL G. HARPER O Rlgld Pavement Regional Factor
O Flexible Pavement •
Serviceability Index
Ara Special corrosive resistant culverts req'd9'
Field Sheet No.COLOF )) DEPARTMENT OF HIGHWAYS ) 04512
LABORATORY REPORT ON ITEM 203. Proles"o' T-'
01 PRELIMINARY Location
_FR 034-2(111
(EMBANKMENT OR BORROW) O CONSTRUCTION East of Greeley—East. - •
. SHEET 3 OF 3 District 4 Dals 8-11-88 _
Test Max. Percent Pasaln Class.and MACK) A
No. Station and Log Size 3 1 % 34 N4 #10 040 N200 LL PI Group Index P.S.I. Value
7A 0.0'-0.5' * , SI? ILAR TO IA '
78 0.5'-1. 5' * , SIIILAR_T0 A-61O1 19
7C 1.5'-5.5' * SIlILAR TO 1C • A-1-b(01 _ 78
7D 5.5'-16.0'+ _ * S1FILAR TO 1D_ 1 A-1-a(01 L
* • HATER EFC0UHTLRED IN TUESL H0I,R1 1AT 6 FEET ( N
MILE 22`1988.
)
I
J
Notes and Samples by VIRGIL G. HARPER O 1.99 O T-180 18k EDLA
❑ Rigid Pavement Regional Factor
O Flexible Pavement
Serviceability Index
• Are Special corrosive resistant culverts reo'd7
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