HomeMy WebLinkAbout20210345.tiffUSDA United States
re— Department of
Agriculture
N RCS
Natural
Resources
Conservation
Service
A product of the National
Cooperative Soil Survey,
a joint effort of the United
States Department of
Agriculture and other
Federal agencies, State
agencies including the
Agricultural Experiment
Stations, and local
participants
Custom Soil Resource
Report for
Weld County,
Colorado,
Southern Part
ANDERSEN SALES AND
SALVAGE
(larch 6, 2020
Preface
Soil surveys contain information that affects land use planning in survey areas.
They highlight soil limitations that affect various land uses and provide information
about the properties of the sails in the survey areas. Sail surveys are designed for
many different users, including farmers, ranchers, foresters, agronomists, urban
planners, community officials, engineers, developers, builders, and home buyers.
Also, conservationists, teachers, students, and specialists in recreation, waste
disposal, and pollution control can use the surveys to help them understand,
protect, or enhance the environment.
Various land use regulations of Federal, State, and local governments may impose
special restrictions an land use or land treatment. Sail surveys identify sail
properties that are used in making various land use or land treatment decisions.
The information is intended to help the land users identify and reduce the effects of
sail limitations on various land uses. The landowner or user is responsible for
identifying and complying with existing laws and regulations.
Although soil survey information can be used for general farm, local, and wider area
planning, onsite investigation is needed to supplement this information in some
cases. Examples include sail quality assessments (http://www.nrcs.usda.goviwpsi
portalin resim ain iso i I sf healthi) and certain conservation and engineering
applications. For more detailed information, contact your local USDA Service Center
(https://offices.sc.egov.usda.govilocatoriapp?agency=nrcs) or your N RCS State Sail
Scientist (http://www.nrcs.usda.goviwpsiportalinrcsidetailisoilsicontactusi?
cid=nres142p2_053951 ).
Great differences in sail properties can occur within short distances. Some sails are
seasonally wet or subject to flooding. Some are too unstable to be used as a
foundation for buildings or roads. Clayey or wet soils are poorly suited to use as
septic tank absorption fields. A high water table makes a soil poorly suited to
basements or underground installations.
The National Cooperative So i I Survey is a joint effort of the United States
Department of Agriculture and other Federal agencies, State agencies including the
Agricultural Experiment Stations, and local agencies. The Natural Resources
Conservation Service (NRCS) has leadership for the Federal part of the National
Cooperative Soil Survey.
Information about soils is updated periodically. Updated information is available
through the N RCS Web Sail Survey, the site for official sail survey information.
The U.S. Department of Agriculture (USDA) prohibits discrimination in all its
programs and activities an the basis of race, color, national origin, age, disability,
and where applicable, sex, marital status, familial status, parental status, religion,
sexual orientation, genetic information, political beliefs, reprisal, or because all or a
part of an individual's income is derived from any public assistance program. (Not
all prohibited bases apply to all programs.) Persons with disabilities who require
2
alternative means for communication of program information (Braille, large print,
audiotape, etc.) should contact USDA's TARGET center at (202) 720-2500 (voice
and TDD). To file a complaint of discrimination, write to USDA, Director, Office of
Civil Rights, 1400 Independence Avenue, S.W., Washington, D.C. 20250-9410 or
call (800) 795-3272 (voice) or (202) 720-5382 (TDa). USDA is an equal opportunity
provider and employer.
3
Contents
Preface 2
Hour► Soil Surreys A►re Made 5
Soil Map 8
Soil Map 9
Legend 10
Map Unit Legend 11
Map Unit Descriptions 11
Weld County, Colorado, Southern Part 13
31 Kim loam, 0 to 1 percent slopes 13
48 —Olney fine sandy loam, 0 to 1 percent slopes 14
50 —Otero sandy loam, 0 to 1 percent slopes 15
51 Otero sandy loam, 1 to 3 percent slopes 15
52 Otero sandy loam, 3 to 5 percent slopes 17
References 19
4
How Soil Surveys Are Made
Sail surveys are made to provide information about the soils and miscellaneous
areas in a specific area. They include a description of the soils and miscellaneous
areas and their location on the landscape and tables that show sail properties and
limitations affecting various uses. Soil scientists observed the steepness, length,
and shape of the slopes; the general pattern of drainage; the kinds of crops and
native plants; and the kinds of bedrock. They observed and described many soil
profiles. A soil profile is the sequence of natural layers, or horizons, in a soil. The
profile extends from the surface dawn into the unconsolidated material in which the
sail formed or from the surface dawn to bedrock. The unconsolidated material is
devoid of roots and other living organisms and has not been changed by other
biological activity.
Currently, sails are mapped according to the boundaries of major land resource
areas (MLRAs). M LRAs are geographically associated land resource units that
share common characteristics related to physiography, geology, climate, water
resources, sails, biological resources, and land uses (USDA, 2006). Soil survey
areas typically consist of parts of one or more MLRA.
The sails and miscellaneous areas in a survey area occur in an orderly pattern that
is related to the geology, landforms, relief, climate, and natural vegetation of the
area. Each kind of sail and miscellaneous area is associated with a particular kind
of landform or with a segment of the landform. By observing the soils and
miscellaneous areas in the survey area and relating their position to specific
segments of the landform, a sail scientist develops a concept, or model, of haw they
were farmed. Thus, during mapping, this model enables the sail scientist to predict
with a considerable degree of accuracy the kind of soil or miscellaneous area at a
specific location an the landscape.
Commonly, individual sails on the landscape merge into one another as their
characteristics gradually change. To construct an accurate soil map, however, sail
scientists must determine the boundaries between the soils. They can observe only
a limited number of sail profiles. Nevertheless, these observations, supplemented
by an understanding of the soil -vegetation -landscape relationship, are sufficient to
verify predictions of the kinds of soil in an area and to determine the boundaries.
Soil scientists recorded the characteristics of the soil profiles that they studied. They
noted soil color, texture, size and shape of soil aggregates, kind and amount of rack
fragments, distribution of plant roots, reaction, and other features that enable them
to identify soils. After describing the soils in the survey area and determining their
properties, the soil scientists assigned the sails to taxonomic classes (units).
Taxonomic classes are concepts. Each taxonomic class has a set of soil
characteristics with precisely defined limits. The classes are used as a basis for
comparison to classify soils systematically. Soil taxonomy, the system of taxonomic
classification used in the United States, is based mainly an the kind and character
of soil properties and the arrangement of horizons within the profile. After the soil
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Custom Soil Resource Report
scientists classified and named the soils in the survey area, they compared the
individual sails with similar sails in the same taxonomic class in other areas so that
they could confirm data and assemble additional data based on experience and
research.
The objective of soil mapping is not to delineate pure map unit components, the
objective is to separate the landscape into landforms or landform segments that
have similar use and management requirements. Each map unit is defined by a
unique combination of soil components and/or miscellaneous areas in predictable
proportions. Some components may be highly contrasting to the other components
of the map unit. The presence of minor components in a map unit in no way
diminishes the usefulness or accuracy of the data. The delineation of such
landforms and landform segments on the map provides sufficient information for the
development of resource plans. If intensive use of small areas is planned, onsite
investigation is needed to define and locate the soils and miscellaneous areas.
Soil scientists mare many field observations in the process of producing a soil map.
The frequency of observation is dependent upon several factors, including scale of
mapping, intensity of mapping, design of map units, complexity of the landscape,
and experience of the soil scientist. Observations are made to test and refine the
soil -landscape model and predictions and to verify the classification of the soils at
specific locations. Once the soil -landscape model is refined, a significantly smaller
number of measurements of individual soil properties are made and recorded.
These measurements may include field measurements, such as those for color,
depth to bedrock, and texture, and laboratory measurements, such as those for
content of sand, silt, clay, salt, and other components. Properties of each soil
typically vary from one paint to another across the landscape.
Observations for map unit components are aggregated to develop ranges of
characteristics for the components. The aggregated values are presented. Direct
measurements do not exist for every property presented for every map unit
component. Values for some properties are estimated from combinations of other
properties.
While a soil survey is in progress, samples of some of the soils in the area generally
are collected for laboratory analyses and for engineering tests. Soil scientists
interpret the data from these analyses and tests as well as the field -observed
characteristics and the sail properties to determine the expected behavior of the
soils under different uses. Interpretations for all of the soils are field tested through
observation of the soils in different uses and under different levels of management.
Some interpretations are modified to fit local conditions, and some new
interpretations are developed to meet local needs. Data are assembled from ether
sources, such as research information, production records, and field experience of
specialists. For example, data on crop yields under defined levels of management
are assembled from farm records and from field or plot experiments on the same
kinds of soil.
Predictions about soil behavior are based not only on soil properties but also on
such variables as climate and biological activity. Soil conditions are predictable over
long periods of time, but they are not predictable from year to year. For example,
soil scientists can predict with a fairly high degree of accuracy that a given soil will
have a high water table within certain depths in most years, but they cannot predict
that a high water table will always be at a specific level in the soil on a specific date.
After soil scientists located and identified the significant natural bodies of soil in the
survey area, they dreg the boundaries of these bodies on aerial photographs and
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Custom Soil Resource Report
identified each as a specific map unit. Aerial photographs show trees, buildings,
fields, roads, and rimers, all of which help in locating boundaries accurately.
Soil Map
The soil map section includes the soil map for the defined area of interest, a list of
soil map units on the map and extent of each map unit, and cartographic symbols
displayed on the map. Also presented are various metadata about data used to
produce the map, and a description of each soil map unit.
8
4'0° 27' 37" N
1
1
r —
co
4'0° 27' 21" N
04° 41'9"VI/
523630
104° 41' 9" VV
A
AC 37 1V
626710
526790
0
526870
0
526870
Map Scale: 1:3/B0 if printed on A landscape (11" x 8.5") sheet.
Custom Sail Resource Report
Sail Map
5t7395D
523950
Meters
0 50 100 200 300
Feet
0 150 30D fi00 900
Map pin : Web Mercator Comer aoonlinates: WGSM Edge tics: UTM Zone 13N WGS84
9
527030
527110
527110
527190
527190
52 270
527270
+.AGi ..IED
52 350
b
40° 27 37'"N
1
p40° 27 21" N
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Custom Soil Resource Report
MAP LEGEND
Area of Interest (AO1)
Area of Interest (AO1)
Soils
Soil Map Unit Polygons
Soil Map Unit Lines
Soil Map Unit Points
Special Point Features
tv Blowout
Borrow Pit
Clay Spot
Closed Depression
Gravel Pit
Gravelly Spat
Landfill
Lava Flow
Marsh or swamp
Mine or Quarry
Miscellaneous '4+',Jater
Perennial Water
Rock Outcrop
Saline Spot
Sandy Spot
Severely Eroded Spat
Sinkhole
Slide or Slip
Sodic Spot
:• 74
a i
90
324
*�
Spoil Area
Stony Spot
Very Stony Spot
Wet Spat
Other
Special Line Features
Water Features
Streams and Canals
Transportation
+-fret Rails
Interstate Highways
US Routes
Major Roads
Local Roads
Background
Aerial Photography
MAP INFORMATION
The soil surveys that comprise your AOI were mapped at
1:24,000.
Warning: Soil Map may not be valid at this scale.
Enlargement of maps beyond the scale of mapping can cause
misunderstanding of the detail of mapping and accuracy of soil
line placement. The maps do not show the small areas of
contrasting soils that could have been shown at a more detailed
scale.
Please rely on the bar scale on each map sheet for map
measurements.
Source of Map: Natural Resources Conservation Service
Web Soil Survey URL:
Coordinate System: Web Mercator (EPSG:3S57)
Maps from the VVeb Soil Survey are based on the Web Mercator
projection, which preserves direction and shape but distorts
distance and area. A projection that preserves area, such as the
Albers equal-area conic projection, should be used if more
accurate calculations of distance or area are required.
This product is generated from the USDA-NRCS certified data as
of the version d ate(s) listed below.
Soil Survey Area: Weld County, Colorado, Southern Part
Survey Area Data: Version 18, Sep 13, 2019
Soil map units are labeled (as space allows) for map scales
1:50,000 or larger.
Date (s) aerial images were photographed Oct 22, 2014 Oct 2,
2017
The orthophoto or other base map on which the soil lines were
compiled and digitized probably differs from the background
imagery displayed on these maps. As a result, some minor
shifting of map unit boundaries may be evident.
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Custom Soil Resource Report
Map Unit Legend
Map Unit Symbol
Map Unit Name
Acres in AOI
Percent of AOI
31
Kim loam, 0 t0 1
percent slopes
0.4
5.2%
40
Olney
fine sandy
percent slopes
loam, 0 to 1
0.7
10.1%
50
Otero
sandy loam, 0 to 1
percent slopes
1.1
15.9%
51
Otero
sandy
percent
loam,
slopes
1 t0 3
4.3
59.8%
52
Otero
.sandy loam,
percent slopes
3 to
5
0.5
7.9%
Totals for Area of Interest
7.1
100.0%
Map Unit Descriptions
The map units delineated on the detailed soil maps in a soil survey represent the
soils or miscellaneous areas in the survey area. The map unit descriptions, along
with the maps, can be used to determine the composition and properties of a unit.
A map unit delineation an a soil map represents an area dominated by one or more
major kinds of sail or miscellaneous areas. A map unit is identified and named
according to the taxonomic classification of the dominant soils. Within a taxonomic
class there are precisely defined limits far the properties of the soils. On the
landscape, however, the sails are natural phenomena, and they have the
characteristic variability of all natural phenomena. Thus, the range of some
observed properties may extend beyond the limits defined for a taxonomic class.
Areas of sails of a single taxonomic class rarely, if ever, can be mapped without
including areas of other taxonomic classes. Consequently, every map unit is made
up of the soils or miscellaneous areas for which it is named and some minor
components that belong to taxonomic classes other than those of the major sails.
Most minor sails have properties similar to those of the dominant sail or sails in the
map unit, and thus they do not affect use and management. These are called
noncontrasting, or similar, components. They may or may not be mentioned in a
particular map unit description. Other minor components, however, have properties
and behavioral characteristics divergent enough to affect use or to require different
management. These are called contrasting, or dissimilar, components. They
generally are in small areas and could not be mapped separately because of the
scale used. Some small areas of strongly contrasting sails or miscellaneous areas
are identified by a special symbol an the maps. If included in the database for a
given area, the contrasting minor components are identified in the map unit
descriptions along with some characteristics of each. A few areas of minor
components may not have been observed, and consequently they are not
mentioned in the descriptions, especially where the pattern was so complex that it
was impractical to make enough observations to identify all the soils and
miscellaneous areas an the landscape.
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Custom Soil Resource Report
The presence of minor components in a map unit in no way diminishes the
usefulness or accuracy of the data. The objective of mapping is not to delineate
pure taxonomic classes but rather to separate the landscape into landforms or
landform segments that have similar use and management requirements. The
delineation of such segments on the map provides sufficient information for the
development of resource plans. If intensive use of small areas is planned, however,
onsite investigation is needed to define and locate the soils and miscellaneous
areas.
An identifying symbol precedes the map unit name in the map unit descriptions.
Each description includes general facts about the unit and gives important soil
properties and qualities.
Soils that have profiles that are almost alike make up a sail series. Except for
differences in texture of the surface layer, all the soils of a series have major
horizons that are similar in composition, thickness, and arrangement.
Soils of one series can differ in texture of the surface layer, slope, stoniness,
salinity, degree of erosion, and other characteristics that affect their use. On the
basis of such differences, a soil series is divided into soil phrases. Most of the areas
shown an the detailed sail maps are phases of soil series. The name of a soil phase
commonly indicates a feature that affects use or management. For example, Alpha
silt loam, 0 to 2 percent slopes, is a phase of the Alpha series.
Some map units are made up of two or more major soils or miscellaneous areas.
These map units are complexes, associations, or undifferentiated groups.
A complex consists of two or more soils or miscellaneous areas in such an intricate
pattern or in such small areas that they cannot be shown separately on the maps.
The pattern and proportion of the soils or miscellaneous areas are somewhat similar
in all areas. Alpha -Beta complex, 0 to 6 percent slopes, is an example.
An association is made up of two or more geographically associated soils or
miscellaneous areas that are shown as one unit on the maps. Because of present
or anticipated uses of the map units in the survey area, it was not considered
practical or necessary to map the soils or miscellaneous areas separately. The
pattern and relative proportion of the soils or miscellaneous areas are somewhat
similar. Alpha -Beta association, 0 to 2 percent slopes, is an example.
An undifferentiated group is made up of two or more soils or miscellaneous areas
that could be mapped individually but are mapped as one unit because similar
interpretations can be made for use and management. The pattern and proportion
of the soils or miscellaneous areas in a mapped area are not uniform. An area can
be made up of only one of the major soils or miscellaneous areas, or it can be made
up of all of them. Alpha and Beta soils, 0 to 2 percent slopes, is an example.
Some surveys include miscellaneous areas. Such areas have little or no soil
material and support little or no vegetation. Rock outcrop is an example.
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Custom Soil Resource Report
Weld County, Colorado, Southern Part
31 Kim loam, 0 to I percent slopes
Map 'knit Setting
!National map unit symbol: 3629
Elevation: 4,900 to 5,250 feet
Mean annual precipitation: 13 to 17 inches
Mean annual air temperature: 46 to 52 degrees F
Frost -free period: 125 to 150 days
Farmland classification: Prime farmland if irrigated
Flap Unit Composition
Kim and similar soils: 90 percent
Minor components: 10 percent
Estimates are based on observations, descriptions, and transe cts of the mapunit.
Description of Kim
Setting
Landform: Alluvial fans, plains
Down -,dope shape: Linear
Across -slope shape.- Linear
Parent material: Mixed eolian deposits derived from sedimentary rock
Typical profile
H1 - 0 to 12 inches: loam
H2 - 12 to 42 inches: loam
H - 42 to 60 inches. fine sandy loam
Properties and qualities
Slope: 0 to 1 percent
Depth to restrictive feature.- More than 80 inches
Natural drainage class: Well drained
Runoff class: Very low
Capacity of the most limiting layer to transmit water (Ksat): Moderately high to
high (0.57 to 5.95 inlhr)
Depth to water table: More than 80 inches
Frequency of flooding: None
Frequency of ponding: bone
Calcium carbonate, maximum in ,profile: 15 percent
Available water storage in profile: High (about 9.0 inches)
Interpretive groups
Land capability classification ('irrigated): 3e
Hydrologic soil Group:
,ecological site: Loamy Plains 067BY002CO)
hydric soil rating: No
Minor Components
Otero
Percent of map unit: 10 percent
Hydrrio soil rating: No
Custom Soil Resource Report
46 Olney fine sandy loam, o to 1 percent slopes
Map Unit Setting
National map unit symbol: 362t
Elevation: 4,600 to 5,200 feet
Mean annual precipitation: 11 to 15 inches
Mean annual air temperature: 40 to 54 degrees F
Frost -free period: 125 to 175 days
Farmland classification: Prime farmland if irrigated and the product of I (soil
erodibility) x C (climate factor) does not exceed 00
Map Unit Composition
Olney and similar soils: 85 percent
Minor components: 15 percent
Estimates are based on observations, descriptions, and transects of the mapunit.
Description of Olney
Setting
Landform: Plains
Down -slope shape: Linear
Across -slope shape: Linear
Parent material.- Mixed deposit outwash
Typical profile
Ni - 0 to 10 inches:
H2 - 10 to 2+0 inches
H3 - 20 to 25 inches
H4 - 25 to o inches
fine sandy loam
sandy clay loam
: sandy clay loam
: fine sandy loam
Properties and qualities
Slope. 0 to 1 percent
Depth to restrictive feature.` More than 80 Inches
Natural drainage class. Well drained
Runoff class: Lave
Capacity of the most limiting layer to transmit water (Ksat): Moderately high to
high (0.57 to 2.x}0 inlhr)
Depth to water table: More than 80 inches
Fre gue ncy of flooding: None
Frequency of ponding: None
Calcium carbonate, maximum in profile: 15 percent
Salinity, maximum in profile: Nonsaline to very slightly saline (0.0 to 2.0
mmhosicm)
Available water storage in profile: Moderate (about 7.0 inches)
Interpretive groups
Lana capability classification (irrigated): 3e
Land capability classification (nonirrigated): 4c
Hydrologic Soil Group: B
Ecological site: Sandy Plains (R067BY024CO)
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Custom Soil Resource Report
Hyd'ric soil rating: No
Minor Components
Zigweid
Percent of map unit: 6 percent
Hydric soil rating: No
Vona
Percent of map unit: 7 percent
Hyd'ric soil rating: No
50 Otero sandy loam, o to I percent slopes
Map Unit Setting
!National map unit symbol: 3622
Elevation: 4,700 to 5,25} feet
}lean annual precipitation: 12 to 15 inches
Mean annual air temperature: 48 to 52 degrees F
.Frost -free period: 130 to 180 days
Farmland classification: Prime farmland if irrigated and the product of I (soil
erodibility) x C (climate factor) does not exceed 60
Map Unit Composition
Otero and similar soils: 85 percent
!Minor components: 15 percent
Estimates are abased on observations, descriptions, and transects of the mapunit.
Description of Otero
Setting
Landformr: Plains
Down -slope shape: Linear
Across -slope shape. Linear
Parent material: Eolian deposits and/or mixed outwash
Typical profile
HI - 0 to 12 inches: sandy loam
H2 - 12 to 60 inches: fine sandy loam
Properties and qualities
Slope: 9 to 1 percent
Depth to restrictive feature.- More than 80 inches
Natural drainage class: Well drained
Runoff class: Very low
Capacity of the most limiting layer to transmit water (Ksat).- Moderately high to
high (0.5? to 5.95 inlhr)
Depth to water table. More than 80 inches
Frequency offloading: None
Frequency of pondingt: None
Calcium carbonate, maximum in profile: 10 percent
Custom Soil Resource Report
Salinity maximum in profile: Nonsaline to slightly saline (0.0 to 4.0 mmhos/cm)
Available grater storage in profile: Moderate (about 7.7 inches)
Interpretive groups
Land capability classification (irrigated): 3e
Hydrologic Soil Group: A
Ecological site: Sandy Plains (R067BY024CO)
Hydric soil rating: No
Minor Components
Haverson
Percent of map unit: 8 percent
Hydric soil rating: No
Kim
Percent of map unit: 7 percent
Hydric soil ratings: No
51 Otero sandy loam, 1 to 3 percent slopes
Map Unit Setting
National snap unit symbol: 3630
Elevation: 4,700 to 5,250 feet
Mean annual precipitation: 12 to 15 inches
Mean annual air temperature: 48 to 52 degrees P
Frost -free period: 130 to 180 days
Farmland classification: Prime farmland if irrigated and the product of I (soil
eradibility) x C (climate factor) does not exceed 60
Map UnitComposition
Otero and similar soils: 85 percent
Minor components: 15 percent
Estimates are based on observations, descriptions, and transects of the mapunit.
Description of Otero
Setting
Landform: Plains
Down -slope shape: Linear
Across -slope shape. Linear
Parent material: Eolian deposits and/or mixed outwash
Typical profile
- 0 to 12 inches: sandy loam
H2 - 1'2 to 60 inches: fine sandy loam
Properties and qualities
Slope: 1 to 3 percent
Depth to restrictive feature: More than 80 inches
Natural drainage class: Well drained
Runoff class. Very low
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Custom Soil Resource Report
Capacity of the most limiting layer to transmit water (Ksat): Moderately high to
high (0.57 to 5.95 inihr)
Depth to water table: More than 80 inches
Frequency of flooding: None
Frequency of ponding: None
Calcium carbonate, maximum in profile: 10 percent
salinity maximum in profile.- Nonsaline to slightly saline (0.o to 4.0 mmhosicm)
Available water storage in profile: Moderate (about 7.7 inches)
Interpretive groups
Land capability classification (irrigated): 3e
Land capability classification (nonirrigated): 4e
Hydrologic Soil Group.- A
Ecological site: Sandy Plains (I o 7BY024Co)
Hydric soil rating: No
Minor Components
Kier
Percent of map unit: 10 percent
Hydric soil rating: No
Mona
Percent of map unit: 5 percent
Hydric soil rating: No
52 Otero sandy loam, to 5 percent slopes
Map Unit Setting
National map unit symbol: 3531
Elevation: 4,700 to 5,250 feet
Mean annual precipitation: 12 to 15 inches
Mean annual air temperature: 48 to 52 degrees F
Frost -free period: 130 to 130 days
Farmland classification: Farmland of statewide importance
Map Unit Composition
Otero and similar soils: 85 percent
Minor components: 15 percent
Estimates are based on observations, descriptions, and transacts of the mapunit.
Description of Otero
Setting
Landform: Plains
Down -slope shape: Linear
Across -slope shape.- Linear
Parent material: Eolian deposits and/or mixed outwash
Typical profile
- 0 to 12 inches: sandy loam
Custom Soil Resource Report
R2 - 12 to 50 inches: tine sandy loam
Properties and qualities
Slope: 3 to 5 percent
Depth to restrictive feature: More than 80 inches
Natural drainage class. Well drained
Runoff class: Very love
Capacity of the most limiting layer to transmit water (Ksati): (Moderately high to
high (0.5? to 5.95 inlhr)
Depth to water table: More than 80 inches
Frequency of flooding: None
Frequency of ponding: None
Calcium carbonate, maximum in profile: 10 percent
Salinity, maximum in profile: Nonsaline to slightly saline (0.0 to 4.0 ra mhoslcm)
Available water storage in profile: Moderate (about 7.7 inches)
Interpretive groups
Land capability classification 'irrigated): 3e
Land capability classification (nonirrigated): 4e
Hydrologic Soil Group.- A
Ecological site: Sandy Plains (R067BYr024CO)
Hydric soil rating: No
Minor Components
Kim
Percent of reap unit: 12 percent
Hydric soil rating: No
Vona
Percent of map unit: 3 percent
Hydric soil rating: No
References
American Association of State Highway and Transportation Officials (AASHTO) .
2004. Standard specifications for transportation materials and methods of sampling
and testing. 24th edition.
American Society for Testing and Materials (ASTM). 2005. Standard classification of
soils for engineering purposes. ASTM Standard D2487-00.
Cowardin, L.M., V. Carter, F.C. Golet, and E.T. LaRoe. 1979. Classification of
wetlands and deep -water habitats of the United States. U.S. Fish and Wildlife
Service FITS/O BS -79/31.
Federal Register. July 13, 1994. Changes in hydric sails of the United States.
Federal Register. September 18, 2002. Hydric soils of the United States.
Hurt, G.W., and L.M. Vasilas, editors. Version 6.0, 2005. Field indicators of hydric
soils in the United States.
National Research Council. 1995. Wetlands: Characteristics and boundaries.
Soil Survey Division Staff. 1993. Soil survey manual. Soil Conservation Service.
U.S. Department of Agriculture Handbook 18. http://www.nres.usda.goviwps/portal!
nres/detail/nationalisoils/?cid=nres142p2_054262
Soil Survey Staff. 1999. Soil taxonomy: A basic system of soil classification for
making and interpreting soil surveys. 2nd edition. Natural Resources Conservation
Service, U.S. Department of Agriculture Handbook 436. http://
www. nres. usd a.gov/wps/portalinres/detail/national/soils!?cid=n res 142p2_053577
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Agriculture, Natural Resources Conservation Service. http://
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