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Home My WebLink About20102167.tiff Soil Map—Weld County, Colorado, Southern Part • • co 'v N t 01 Q eaa C O o • 515010 515100 515190 515 80 515370 515460 40 1 5„ 00 1' 5.. 0 \0 Va I ),. „ m m c4 i N C 7 ,r • ti 1 ja 'Z Q , o �co n, co ' h11 J o m i Oh . 1 \ :, ,:r IP: \' • ajla i t• a - . rill"Willi .46 i 4 3 .. 9 I s f f iv o �i:. , II I o 4: 8-o If) I r ,- +lam . 1IP ...,,, ---- y � _ k , � �,• 4 85 ,S \,, T a - Is t Y_� N N Y: - t .? i 10 ti 4 • it $: art y• _ s o l I '� ely r I N ♦ N Cy) IMOel a, o. illa 1 a, lap of v t Q Jill' I - 4. 11.14-4*I74 i SI- in.t E , 4.4 o o EL a, N ti� N m a �:r _ �" ` • _r _ N L r r� 1 • a„ —� 85 #`i t o Q ; m N Q i Q i O N o O a Of a7 40° 0'41" v v 40' 0'41" 515010 515100 515190 515280 515370 515460 co • " Map Scale: 13,650 d punted on A size (8 5"x 11") sheet in Q Q Meters a N 0 35 70 140 210 2010-2167 A Feet 0 100 200 400 600 USDA Natural Resources Web Soil Survey 11/18/2009 Conservation Service National Cooperative Soil Survey Page 1 of 3 Soil Map—Weld County,Colorado,Southern Part MAP LEGEND MAP INFORMATION Area of Interest(A00 CO Very Stony Spot Map Scale: 1:3.650 if printed on A size(8.5"• 11")sheet. Area of Interest(AOI) 1 Wet Spot The soil surveys that comprise your AOI were mapped at 1:24,000. Soils £ Other Please rely on the bar scale on each map sheet for accurate map Soil Map Units measurements. Special Line Features Special Point Features _ Gully Source of Map: Natural Resources Conservation Service tJ Blowout Web Soil Survey URL: http://websoilsurvey.nrcs.usda.gov . Short Steep Slope Coordinate System: UTM Zone 13N NAD83 • ® Borrow Pit Other This product is generated from the USDA-NRCS certified data as of X Clay Spot Political Features the version date(s)listed below. e Closed Depression • Cities Soil Survey Area: Weld County,Colorado,Southern Part X Gravel Pit Water Features Survey Area Data: Version 11,Aug 27,2009 Gravelly Spot I Oceans Date(s)aerial images were photographed: 7/30/2005;7/29/2005 • Landfill Streams and Canals The orthophoto or other base map on which the soil lines were A Lava Flow Transportation compiled and digitized probably differs from the background t..F Rails imagery displayed on these maps.As a result,some minor shifting ,,4, Marsh or swamp of map unit boundaries may be evident. R Mine or Quarry N Interstate Highways US Routes $ Miscellaneous Water O Perennial Water Major Roads v Rock Outcrop N Local Roads + Saline Spot Sandy Spot Severely Eroded Spot • O Sinkhole p Slide or Slip O Sadic Spot R Spoil Area Q Stony Spot USDA Natural Resources Web Soil Survey 11/18/2009 ailii Conservation Service National Cooperative Soil Survey Page 2 of 3 Soil Map—Weld County,Colorado,Southern Part • Map Unit Legend Weld County,Colorado,Southern Part(CO618) Map Unit Symbol Map Unit Name Acres In AOI Percent of AOI 1 Altvan loam.0 to 1 percent slopes 8.7 13.5% 3 Aquolls and Aquents,gravelly substratum 9.8 15.1% 10 Bankard sandy loam,0 to 3 percent slopes 21.7 33.6% 21 Dacono clay loam,0 to 1 percent slopes 8.3 12.9% 22 Dacono Gay loam, 1 to 3 percent slopes 3.8 5.8% 68 Ustic Torriorthents,moderately steep 5.6 8.7% 85 Water 6.7 10.4% Totals for Area of Interest 64.7 100.0% • • USDA Natural Resources Web Soil Survey 11/18/2009 a Conservation Service National Cooperative Soil Survey Page 3 of 3 Map Unit Description—Weld County,Colorado,Southern Part • Map Unit Description 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 in this report, along with the maps, can be used to determine the composition and properties of a unit. A map unit delineation on a soil map represents an area dominated by one or more major kinds of soil 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 for the properties of the soils. On the landscape, however, the soils 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 soils 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 soils. Most minor soils have properties similar to those of the dominant soil or soils 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 soils or miscellaneous areas are identified by a special symbol on 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 on the landscape. 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. • USDA Natural Resources Web Soil Survey 11/18/2009 Conservation Service National Cooperative Soil Survey Page 1 of 9 Map Unit Description-Weld County,Colorado,Southern Part • Soils that have profiles that are almost alike make up a soil series. All the soils of a series have major horizons that are similar in composition, thickness, and arrangement. Soils of a given 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 phases. Most of the areas shown on the detailed soil 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. Additional information about the map units described in this report is available in other soil reports,which give properties of the soils and the limitations,capabilities, and potentials for many uses. Also, the narratives that accompany the soil reports define some of the properties included in the map unit descriptions. Report—Map Unit Description Weld County, Colorado, Southern Part 1—Altvan loam, 0 to 1 percent slopes Map Unit Setting Elevation:4,500 to 4,900 feet Mean annual precipitation: 14 to 16 inches Mean annual air temperature:46 to 48 degrees F Frost-free period: 130 to 150 days Map Unit Composition Altvan and similar soils: 90 percent • Minor components: 10 percent U- Natural Resources Web Soil Survey 11/18/2009 - Conservation Service National Cooperative Soil Survey Page 2 of 9 • • Map Unit Description—Weld County,Colorado, Southern Part • Description of Altvan Setting Landform:Terraces Down-slope shape: Linear Across-slope shape: Linear Parent material: Old alluvium Properties and qualities Slope: 0 to 1 percent Depth to restrictive feature: More than 80 inches Drainage class:Well drained Capacity of the most limiting layer to transmit water (Ksat): Moderately high to high (0.20 to 2.00 in/hr) Depth to water table: More than 80 inches Frequency of flooding: None Frequency of ponding: None Calcium carbonate, maximum content: 5 percent Available water capacity: Low(about 5.7 inches) Interpretive groups Land capability classification (irrigated): 3s Land capability(nonirrigated): 4e Ecological site: Loamy Plains (R067BY002CO) • Typical profile 0 to 10 inches: Loam 10 to 25 inches: Clay loam 25 to 60 inches: Gravelly sand Minor Components Cascajo Percent of map unit: 9 percent Aquic haplustolls Percent of map unit: 1 percent Landform: Swales 3—Aquolls and Aquents, gravelly substratum Map Unit Setting Elevation:4,000 to 7,200 feet Mean annual precipitation: 12 to 18 inches Mean annual air temperature:45 to 55 degrees F Frost-free period: 80 to 155 days Map Unit Composition Aquolls and similar soils: 55 percent Aquents, gravelly substratum, and similar soils: 30 percent Minor components: 15 percent • USDA Natural Resources Web Soil Survey 11/18/2009 Conservation Service National Cooperative Soil Survey Page 3 of 9 • • Map Unit Description—Weld County,Colorado,Southern Part • Description of Aquolls Setting Landform: Swales, streams, flood plains Down-slope shape: Linear Across-slope shape: Linear Parent material: Recent alluvium Properties and qualities Slope: 0 to 3 percent Depth to restrictive feature: More than 80 inches Drainage class: Poorly drained Capacity of the most limiting layer to transmit water (Ksat): Moderately high to high (0.20 to 2.00 in/hr) Depth to water table:About 6 to 48 inches Frequency of flooding: Frequent Frequency of ponding: None Maximum salinity: Nonsaline to very slightly saline(0.0 to 4.0 mmhos/ cm) Available water capacity: Moderate (about 8.0 inches) Interpretive groups Land capability(nonirrigated): 6w Ecological site: Salt Meadow(R067BY035CO) • Typical profile 0 to 48 inches: Loam 48 to 60 inches: Gravelly sand Description of Aquents, Gravelly Substratum Setting Landform: Stream terraces Down-slope shape: Linear Across-slope shape: Linear Parent material: Recent alluvium Properties and qualities Slope: 0 to 3 percent Depth to restrictive feature: More than 80 inches Drainage class: Poorly drained Capacity of the most limiting layer to transmit water (Ksat): Moderately high to very high (0.57 to 19.98 in/hr) Depth to water table:About 6 to 24 inches Frequency of flooding: Frequent Frequency of ponding: None Calcium carbonate, maximum content: 10 percent Maximum salinity: Nonsaline to slightly saline (0.0 to 8.0 mmhos/cm) Available water capacity: Moderate (about 6.6 inches) Interpretive groups Land capability classification (irrigated): 6w Land capability(nonirrigated):6w Ecological site: Salt Meadow(R067BY035CO) • USDA Natural Resources Web Soil Survey 11/18/2009 al". Conservation Service National Cooperative Soil Survey Page 4 of 9 • • Map Unit Description—Weld County,Colorado.Southern Part • Typical profile 0 to 48 inches:Variable 48 to 60 inches: Very gravelly sand Minor Components Bankard Percent of map unit: 10 percent Ustic torrifluvents Percent of map unit: 5 percent 10—Bankard sandy loam, 0 to 3 percent slopes Map Unit Setting Elevation:4,450 to 5,000 feet Mean annual precipitation: 10 to 14 inches Mean annual air temperature:48 to 52 degrees F Frost-free period: 95 to 160 days Map Unit Composition Bankard and similar soils: 85 percent Minor components: 15 percent Description of Bankard • Setting Landform: Low sand ridges, flood plains Down-slope shape: Linear Across-slope shape: Linear Parent material: Stratified, recent alluvium Properties and qualities Slope: 0 to 3 percent Depth to restrictive feature: More than 80 inches Drainage class: Somewhat excessively drained Capacity of the most limiting layer to transmit water(Ksat): High(2.00 to 6.00 in/hr) Depth to water table: More than 80 inches Frequency of flooding: None Frequency of ponding: None Calcium carbonate, maximum content: 10 percent Available water capacity: Low(about 4.5 inches) Interpretive groups Land capability classification (irrigated):4w Land capability(nonirrigated):4w Ecological site: Sandy Bottomland (R067BY031CO) Typical profile 0 to 4 inches: Sandy loam 4 to 60 inches: Stratified gravelly sand to loam • USDA Natural Resources Web Soil Survey 11/18/2009 Conservation Service National Cooperative Soil Survey Page 5 of 9 Map Unit Description—Weld County,Colorado,Southern Part • Minor Components Mollic fluvaquents Percent of map unit: 9 percent Landform: Terraces Blakeland Percent of map unit:6 percent 21—Dacono clay loam, 0 to 1 percent slopes Map Unit Setting Elevation:4,550 to 4,970 feet Mean annual precipitation: 14 to 18 inches Mean annual air temperature: 48 to 52 degrees F Frost-free period: 140 to 160 days Map Unit Composition Dacono and similar soils: 85 percent Minor components: 15 percent Description of Dacono Setting Landform: Terraces • Down-slope shape: Linear Across-slope shape: Linear Parent material: Mixed alluvium Properties and qualities Slope: 0 to 1 percent Depth to restrictive feature: More than 80 inches Drainage class: Well drained Capacity of the most limiting layer to transmit water (Ksat): Moderately high (0.20 to 0.60 in/hr) Depth to water table: More than 80 inches Frequency of flooding: None Frequency of ponding: None Calcium carbonate, maximum content: 15 percent Maximum salinity: Nonsaline (0.0 to 2.0 mmhos/cm) Available water capacity: Moderate (about 6.3 inches) Interpretive groups Land capability classification (irrigated):2s Land capability(nonirrigated): 3s Ecological site:Clayey Plains (R067BY042CO) Typical profile 0 to 12 inches: Clay loam 12 to 21 inches: Clay loam 21 to 27 inches: Clay loam 27 to 60 inches: Very gravelly sand • USDA Natural Resources Web Soil Survey 11/18/2009 Conservation Service National Cooperative Soil Survey Page 6 of 9 • • • . Map Unit Description—Weld County,Colorado,Southern Pan • Minor Components Heldt Percent of map unit: 5 percent Nunn Percent of map unit: 5 percent Altvan Percent of map unit: 5 percent 22—Dacono clay loam, 1 to 3 percent slopes Map Unit Setting Elevation:4,550 to 4,970 feet Mean annual precipitation: 14 to 18 inches Mean annual air temperature:48 to 52 degrees F Frost-free period: 140 to 160 days Map Unit Composition Dacono and similar soils: 85 percent Minor components: 15 percent Description of Dacono • Setting Landform:Terraces Down-slope shape: Linear Across-slope shape: Linear Parent material: Mixed alluvium Properties and qualities Slope: 1 to 3 percent Depth to restrictive feature: More than 80 inches Drainage class: Well drained Capacity of the most limiting layer to transmit water (Ksat): Moderately high (0.20 to 0.60 in/hr) Depth to water table: More than 80 inches Frequency of flooding: None Frequency of ponding: None Calcium carbonate, maximum content: 15 percent Maximum salinity' Nonsaline (0.0 to 2.0 mmhos/cm) Available water capacity'' Moderate (about 6.3 inches) Interpretive groups Land capability classification (irrigated): 2e Land capability(nonirrigated): 3s Ecological site: Clayey Plains (R067BY042CO) Typical profile 0 to 12 inches: Clay loam 12 to 21 inches: Clay loam 21 to 27 inches: Clay loam 27 to 60 inches: Very gravelly sand • U Natural Resources Web Soil Survey 11/18/2009 Conservation Service National Cooperative Soil Survey Page 7 of 9 • • Map Unit Description—Weld County,Colorado,Southern Part Minor Components Altvan Percent of map unit: 9 percent Nunn Percent of map unit: 6 percent 68—Ustic Torriorthents, moderately steep Map Unit Setting Elevation:4,450 to 5,100 feet Mean annual precipitation: 10 to 16 inches Mean annual air temperature:46 to 54 degrees F Frost-free period: 120 to 160 days Map Unit Composition Ustic torriorthents and similar soils: 85 percent Minor components: 15 percent Description of Ustic Torriorthents Setting Landform: Escarpments, breaks • Down-slope shape: Linear Across-slope shape: Linear Parent material: Gravelly alluvium Properties and qualities Slope: 9 to 15 percent Depth to restrictive feature: More than 80 inches Drainage class: Excessively drained Capacity of the most limiting layer to transmit water(Ksat): High to very high (5.95 to 19.98 in/hr) Depth to water table: More than 80 inches Frequency of flooding: None Frequency of ponding: None Calcium carbonate, maximum content: 5 percent Maximum salinity: Nonsaline (0.0 to 2.0 mmhos/cm) Available water capacity:Very low(about 1.8 inches) Interpretive groups Land capability(nonirrigated): 7s Typical profile 0 to 10 inches: Gravelly sand 10 to 60 inches: Gravelly sand Minor Components Columbo Percent of map unit: 10 percent Eckley • Percent of map unit: 3 percent usoa Natural Resources Web Soil Survey 11/18/2009 �� Conservation Service National Cooperative Soil Survey Page 8 of 9 • • Map Unit Description—Weld County,Colorado,Southern Part • Otero Percent of map unit: 2 percent 85—Water Map Unit Composition Water: 95 percent Minor components: 5 percent Minor Components Aquolls Percent of map unit: 5 percent Landform: Marshes Data Source Information Soil Survey Area: Weld County, Colorado, Southern Part Survey Area Data: Version 11, Aug 27, 2009 • • USDA Natural Resources Web Soil Survey 11/18/2009 Conservation Service National Cooperative Soil Survey Page 9 of 9 Hello