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, <br /> Map Unit Description:Ulm loam,5 to 9 percent slopes--Adams County Area,Parts of Adams Tucson South <br /> and Denver Counties,Colorado <br /> Adams County Area, Parts of Adams and Denver <br /> Counties, Colorado <br /> UID—Ulm loam, 5 to 9 percent slopes <br /> Map Unit Setting <br /> National map unit symbol: 34x5 <br /> Elevation: 4,000 to 5,600 feet <br /> Mean annual precipitation: 12 to 14 inches <br /> Mean annual air temperature: 48 to 52 degrees F <br /> Frost-free period: 125 to 155 days <br /> Farmland classification: Not prime farmland <br /> Map Unit Composition <br /> Ulm and similar soils. 80 percent <br /> Minor components: 20 percent <br /> Estimates are based on observations, descriptions, and transects of <br /> the mapunit. <br /> Description of Ulm <br /> Setting <br /> Landform: Plains <br /> Landform position (three-dimensional). Talf <br /> Down-slope shape: Linear <br /> Across-slope shape: Linear <br /> Parent material: Residuum weathered from sandstone and shale <br /> Typical profile <br /> H1 -0 to 4 inches: loam <br /> H2-4 to 13 inches: silty clay <br /> H3- 13 to 30 inches: clay <br /> H4-30 to 48 inches: clay loam <br /> H5-48 to 52 inches: unweathered bedrock <br /> Properties and qualities <br /> Slope: 5 to 9 percent <br /> Depth to restrictive feature: 40 to 60 inches to paralithic bedrock <br /> Natural drainage class: Well drained <br /> Runoff class: Medium <br /> Capacity of the most limiting layer to transmit water(Ksat): <br /> Moderately low to moderately high (0.06 to 0.20 in/hr) <br /> Depth to water table: More than 80 inches <br /> Frequency of flooding: None <br /> Frequency of ponding: None <br /> Calcium carbonate, maximum in profile: 15 percent <br /> Salinity, maximum in profile: Nonsaline to very slightly saline (0.0 <br /> to 2.0 mmhos/cm) <br /> Available water storage in profile: Moderate(about 8.2 inches) <br /> Interpretive groups <br /> Land capability classification (irrigated): 4e <br /> usDA Natural Resources Aggregate Industries Tucson South Permit Amendment 10/18/2018 <br /> s Conservation Service Page I-8 Page 1 of 2 <br />