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ATTACHMENT B <br /> Map Unit Description:Aquolls and Aquents,gravelly substratum---Larimer County Area, Amen Pit Parcels <br /> Colorado,and Weld County,Colorado,Southern Part <br /> Hydric soil rating: Yes <br /> Description of Aquents,Gravelly Substratum <br /> Setting <br /> Landform: Stream terraces <br /> Down-slope shape: Linear <br /> Across-slope shape: Linear <br /> Parent material: Recent alluvium <br /> Typical profile <br /> H1 -0 to 48 inches: variable <br /> H2-48 to 60 inches: very gravelly sand <br /> Properties and qualities <br /> Slope: 0 to 3 percent <br /> Depth to restrictive feature: More than 80 inches <br /> Natural drainage class: Poorly drained <br /> Runoff class: Very high <br /> Capacity of the most limiting layer to transmit water(Ksat): <br /> Moderately high to very high (0.57 to 19.98 in/hr) <br /> Depth to water table: About 6 to 24 inches <br /> Frequency of flooding: Frequent <br /> Frequency of ponding. None <br /> Calcium carbonate, maximum in profile: 10 percent <br /> Salinity, maximum in profile: Nonsaline to moderately saline (0.0 to <br /> 8.0 mmhos/cm) <br /> Available water storage in profile: Moderate (about 6.6 inches) <br /> Interpretive groups <br /> Land capability classification(irrigated): 6w <br /> Land capability classification (nonirrigated): 6w <br /> Hydrologic Soil Group: D <br /> Ecological site. Salt Meadow(R067BY035CO) <br /> Hydric soil rating. Yes <br /> Minor Components <br /> Bankard <br /> Percent of map unit: 10 percent <br /> Hydric soil rating: No <br /> Ustic torrifluvents <br /> Percent of map unit: 5 percent <br /> Hydric soil rating. No <br /> Data Source Information <br /> Soil Survey Area: Larimer County Area, Colorado <br /> Survey Area Data: Version 12, Oct 10, 2017 <br /> Soil Survey Area: Weld County, Colorado, Southern Part <br /> Survey Area Data: Version 16, Oct 10, 2017 <br /> usDA Natural Resources Web Sod Survey 7/24/2018 <br /> .fM Conservation Service National Cooperative Soil Survey Page 2 of 2 <br />