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HomeMy WebLinkAbout20202494.tiff 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 Custom Soil Resource Report il Map 7. IN in 7,0 in r, 8 ri 503a 0 503300 5034100 503500 500600 503700 503300 503900 5040)0 504100 504200 40 11' 1" N I I I I I - I - - -I - l- - -- 11' 1. 4 #, 1 , . 11 4'04 1 N a�yF 1. ♦. . ,TL a m a-• Y 8 ditie 0, alLai ea AV a 11 4.11-4� f ip — i s .—&---"I-- .eS+` _ t l��III .. *uns- _ - . T " -7ti .! , is f �1 ei ....„.4.4 . . Itic 4 U {.Y Ja ' �. AC , r, 1 d . "II 4 „,,,A0 I - ' ' 1 s• I 4114 4_ - fte ICI\ 7 Elia 3. - - .Er 1 I :j+ X• ` - 7 FsX-r , 4� Y _ - - I r t '. . :.14;1_ - , -.. -.� .1 a.. - - tip• _ — 1`y. z �' iiir C. {„ CGS - 4 1 T 1 - rtiiiThirtiliiii .Seir 4 C i i • . 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Map S aie: 1 :7,290 if printed on A portrait (8.5" x 11") sheet. ` Meters N 0 100 200 400 600 8 A Feet 0 350 1400 2`100 Map projection : lr'u'eb Mercator Corner coordinates : WG58r4 Edge tics: Ull'vl Zone 13N WGSS 4 9 Custom Soil Resource Report MAP LEGEND MAP INFORMATION Area of Interest (AOl) _ Spoil Area The soil surveys that comprise your AOI were mapped at Area of Interest (AO!) 1 :24,000. Stony Spot Soils Very Stony SpotLI may Soil Map Unit Polygons Warning : Soil Map not be valid at this scale . ritt: Wet Spot r or Soil Map Unit Lines Enlargement of maps beyond the scale of mapping can cause Other misunderstanding of the detail of mapping and accuracy of soil ® Soil Map Unit Points Special Line Features line placement. The maps do not show the small areas of Special Point Features contrasting soils that could have been shown at a more detailed t Blowout Water Features scale. Streams and Canals Borrow Pit Transportation Please rely on the bar scale on each map sheet for map Clay Spot Rails measurements. Closed Depression Interstate Highways Source of Map: Natural Resources Conservation Service Gravel Pit US Routes Web Soil Survey URL: Gravelly Spot Coordinate System : Web Mercator (EPSG :3857) Major Roads Landfill Local Roads Maps from the Web Soil Survey are based on the Web Mercator Lava Flow projection, which preserves direction and shape but distorts Background distance and area. A projection that preserves area, such as the Marsh or swamp Aerial Photography Albers equal-area conic projection, should be used if more Mine or quarry accurate calculations of distance or area are required. Miscellaneous Water This product is generated from the USDA-N RCS certified data as Perennial Water the version dates)) listed below. v. Rock Outcrop Soil Survey Area: Weld County, Colorado, Southern Part E � Saline Spot Survey Area Data: Version 18, Sep 13, 2019 o o Sandy Spot 9 0 Soil map units are labeled (as space allows) for map scales O Severely Eroded Spot 1 :50,000 or larger. Sinkhole Date(s) aerial images were photographed : Sep 2072015—Oct Slide orSlip 21 , 2017 for Sodic Spot 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. 10 Custom Soil Resource Report Map Unit Legend Map Unit Symbol Map Unit Name Acres in Aol Percent of Aol 1 Altvan loam, 0 to 1 percent 2 .7 1 .4% slopes 3 Aquolls and Aquents, gravelly 142 .4 75 . 1 % substratum 4 Aquolls and Aquepts, flooded 0 .0 0 .0% 27 Heldt silty clay, 1 to 3 percent 38 .6 20 .4% slopes 61 Tassel fine sandy loam, 5 to 20 1 . 1 0 .6% percent slopes 85 Water 4 .9 2 .6% Totals for Area of Interest 189.7 100.0% 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 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 11 Custom Soil Resource Report 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 . Soils that have profiles that are almost alike make up a soil 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 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 . 12 Custom Soil Resource Report Weld County, Colorado , southern Part 1--Altvan loam, 0 to 1 percent slopes Map Unit Setting National map unit symbol: 3 61 j 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 Farmland classification: Not prime farmland Map Unit Composition Altvan and similar soils: 90 percent Minor components: 10 percent Estimates are based on observations, descriptions, and transects of the mapunit. Description of Altvan Setting Landform: Terraces Down-slope shape: Linear Across-slope shape: Linear Parent material: Old alluvium Typical profile H1 - 0 to 10 inches: loam H2 - 10 to 25 inches: clay loam H - 25 to 60 inches: gravelly sand Properties and qualities Slope: 0 to 1 percent Depth to restrictive feature.- More than 80 inches Natural drainage class: Well drained Runoff class: Low Capacity of the most limiting layer to transmit water (Ksat): Moderately high to high (0 .20 to 2 . 00 in/hi) Depth to water table: More than 80 inches Frequency of flooding►: None Frequency of pending: None Calcium carbonate, maximum in profile : 5 percent Available water storage in profile: Low (about 5 . 7 inches ) Interpretive groups Land capability classification (irrigated): 35 Land capability classification (nonirrigated): 4e Hydrologic Soil Group: B Ecological site: Loamy Plains (R067BY002CO) Hydric soil rating: No Minor Components Cascajo. Percent of map unit: 9 percent Hydric soil rating: No 13 Custom Soil Resource Report Aquic haplustolls Percent of map unit: 1 percent Landform: Swales Hydric soil rating: Yes 3—Aquolls and Aquents , gravelly substratum Map Unit Setting National map unit symbol: 3627 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 Farmland classification: Prime farmland if drained and either protected from flooding or not frequently flooded during the growing season Map Unit Composition Aquolls and similar soils: 55 percent Aquents, gravelly substratum, and similar soils: 30 percent Minor components: 15 percent Estimates are based on observations, descriptions, and transepts of the mapunit. Description of Aquolls Setting Landform: Swales, streams , flood plains Down-slope shape: Linear Across-slope shape: Linear Parent material: Recent alluvium Typical profile 0 to 48 inches: loam H2 - 48 to 60 inches: gravelly sand Properties and qualities Slope: 0 to 3 percent Depth to restrictive feature : More than 80 inches Natural drainage class: Poorly drained Runoff class: Low Capacity of the most limiting layer to transmit water '` sat): Moderately high to high (0 .20 to 2 . 00 inlhr) Depth to water table: About 6 to 48 inches Frequency of flooding: Frequent Frequency of ponding: None Salinity., maximum in profile: Nonsaline to slightly saline (0. 0 to 4 .0 mmhoslcm) Available water storage in profile: Moderate (about 8 .0 inches) Interpretive groups Land capability classification (irrigated): None specified Land capability classification (non irrigated): 6w 14 Custom Soil Resource Report Hydrologic Soil Group: D Ecological site: Salt Meadow ( R067BY035CO) Hydric soil rating: Yes Description of Aquents, Gravelly Substratum Setting Landform: Stream terraces Down-slope shape: Linear Across-slope shape : Linear Parent material: Recent alluvium Typical profile I - 0 to 48 inches: variable H2 - 48 to 60 inches: very gravelly sand Properties and qualities Slope: 0 to 3 percent Depth to restrictive feature : More than 80 inches Natural drainage class: Poorly drained Runoff class: Very high Capacity of the most limiting layer to transmit water (Ksat) : Moderately high to very high (0. 57 to 19 . 98 inlhr) Depth to water table: About 6 to 24 inches Frequency of flooding: Frequent Frequency of ponding: None Calcium carbonate, maximum in profile : 10 percent Salinity, maximum in profile: Nonsaline to moderately saline (0 . 0 to 8 . 0 mmhoslcm) Available water storage in profile: Moderate (about 6 .6 inches) Interpretive groups Land capability classification ('irrigated): 6w Land capability classification (non irrigated): 6w Hydrologic Soil Group: D Ecological site: Salt Meadow ( R067BY035CO) Hydric soil rating: Yes Minor Components Bankard Percent of map unit: 10 percent Hydric soil rating: No U sti c torrif luvents Percent of map unit: 5 percent Hydric soil rating: No 15 Custom Soil Resource Report 4—Aquolls and Aquepts , flooded Map Unit Setting National map unit symbol: 3621 Elevation: 3, 600 to 4,700 feet Mean annual precipitation: 12 to 16 inches Mean annual air temperature: 50 to 55 degrees F Frost-free period: 100 to 165 days Farmland classification: Prime farmland if drained and either protected from flooding or not frequently flooded during the growing season Map Unit Composition Aquolls and similar soils: 55 percent Aquepts, flooded, and similar soils: 25 percent Minor components: 20 percent Estimates are based on observations, descriptions, and transepts of the mapunit. Description of Aquolls Setting Landform: Drainageways , plains, depressions Down-slope shape: Linear Across-slope shape: Linear Parent material: Recent alluvium Typical profile HI - 0 to 8 inches: variable H2 - 8 to 60 inches: stratified sandy loam to clay Properties and qualities Slope: 0 to 3 percent Depth to restrictive feature : More than 80 inches Natural drainage class: Poorly drained Runoff class: Very low Capacity of the most limiting layer to transmit water ' sat,) : Moderately low to high (0 .06 to 6. 00 inihr) Depth to water table: About 6 to 36 inches Frequency of flooding: Frequent Frequency of ponding: None Calcium carbonate, maximum in profile: 10 percent Salinity, maximum in profile : Moderately saline to strongly saline (8 .0 to 16 .0 mmhoslcm ) Sodium adsorption ratio, maximum in profile: 5 . 0 Available water storage in profile: Low (about 4 . 7 inches) Interpretive groups Land capability classification (irrigated): 6w Land capability classification (nonirrigated): 6w Hydrologic Soil Group: D 16 Custom Soil Resource Report Ecological site: Salt Meadow (R067BY035CO) Hydric soil rating: Yes Description of Aquepts, Flooded Setting Landform: Stream terraces Down-slope shape: Linear Across-slope shape: Linear Parent material: Recent alluvium Typical profile Hal - 0 to 8 inches: variable H2 - 8 to 60 inches: stratified sandy loam to clay Properties and qualities Slope: 0 to 3 percent Depth to restrictive feature: More than 80 inches Natural drainage class: Poorly drained Runoff class: Very low Capacity of the most limiting layer to transmit water (` sat): Moderately low to high (0 .06 to 6 . 00 in/hr) Depth to water table: About 6 to 36 inches Frequency of flooding: Frequent Fre que ncy of p o ndi,ng: None Calcium carbonate, maximum in profile: 10 percent salinity, maximum in profile: Moderately saline to strongly saline (8 . 0 to 16. 0 mmhos/cm) sodium adsorption ratio, maximum in profile: 5. 0 Available water storage in profile: Low (about 4 . 7 inches) Interpretive groups Land capability classification ('irrigated): 6w Land capability classification (non irrigated): 6w Hydrologic Soil Group: D Ecological site: Wet Meadow (R067BY038CO) Hydric soil rating: Yes Minor Components Thedalund Percent of map unit: 10 percent Hydric soil rating: No Haverson Percent of map unit: 10 percent Hydric soil rating: No 17 Custom Soil Resource Report 27—Heldt silty clay, to 3 percent slopes Map Unit Setting National map unit symbol: 3624 Elevation: 4, 950 to 5, 050 feet Mean annual precipitation: 11 to 17 inches Mean annual air temperature: 46 to 59 degrees F Frost-free period: 110 to 150 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 Veldt and similar soils: 85 percent Minor components: 15 percent Estimates are based on observations, descriptions, and transects of the mapunit. Description of Heldt Setting Landform: Plains Down-slope shape: Linear Across-slope shape : Linear Parent material: Sediment alluvium derived from shale Typical profile Hi - 0 to 7 inches: silty clay H2 - 7 to 60 inches: silty clay Properties and qualities Slope: 1 to 3 percent Depth to restrictive feature : More than 80 inches Natural drainage class: Well drained Runoff class: Low Capacity of the most limiting layer to transmit water (Ksat) : Moderately low to moderately high (0 . 06 to 0 .20 inlhr) Depth to water table: More than 80 inches Frequency of flooding: None Frequency of ponding: None Calcium carbonate, maximum in profile : 10 percent Gypsum, maximum in profile: 1 percent salinity, maximum in profile: Nonsaline to slightly saline (0 . 0 to 4 . 0 mmhoslcm) sodium adsorption ratio, maximum in profile : 10. 0 Available water storage in profile: High (about 9 . 6 inches) Interpretive groups Land capability classification (irrigated): 3e Land capability classification (nonirrigated): 4c Hydrologic Soil Group: Ecological site: Clayey Plains (R067BY042CO ) 18 Custom Soil Resource Report Hydric soil rating: No Minor Components Nunn Percent of map unit: 10 percent Hydric soil rating: No Haverson Percent of map unit: 5 percent Hydric soil rating: No 61 Tassel fine sandy loam, 5 to 20 percent slopes Map Unit Setting National map unit symbol: 363c Elevation: 4, 850 to 5,200 feet Mean annual precipitation: 12 to 19 inches Mean annual air temperature: 46 to 52 degrees F Frost-free period: 110 to 165 days Farmland classification: Not prime farmland Map Unit. Composition Tassel and similar soils: 85 percent Minor components: 15 percent Estimates are based on observations, descriptions, and transects of the mapunit. Description of Tassel Setting Landform: Breaks Down-slope shape: Linear Across-slope shape: Linear Parent material: Residuum weathered from sandstone Typical profile H1 - 0 to 11 inches: fine sandy loam H2 - 11 to 15 inches: very fine sandy loam H3 - 15 to 20 inches: weathered bedrock Properties and qualities Slope: 5 to 20 percent Depth to restrictive feature: 10 to 20 inches to paralithic bedrock Natural drainage class: Well drained Runoff class: Medium Capacity of the most limiting layer to transmit water (Ksat) .: Moderately low to moderately high (0 . 06 to 0 .20 inihr) Depth to water table: More than 80 inches Frequency of flooding: None Frequency of ponding: None Calcium carbonate, maximum in profile: 10 percent 19 Custom Soil Resource Report Available water storage in profile: Very low (about 2 . 0 inches) Interpretive groups Land capability classification (irrigated): 6e Land capability classification fnonirrigated, : 6e Hydrologic Soil Group: D Ecological site: Sandstone Breaks (R067BY056CO) Hydric soil rating: No Minor Components Otero Percent of map unit: 8 percent Hydric soil rating: No Terry Percent of map unit 7 percent Hydric soil rating: No 85—Water Map Unit Composition Water: 95 percent Minor components: 5 percent Estimates are based on observations, descriptions, and transacts of the mapunit. Minor Components Aquolls Percent of map unit: 5 percent .Land form: Marshes Hydric soil rating: Yes 20 Hello