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Moffat County Area, Colorado <br />Depth to restrictive feature: 20 to 40 inches to <br />bedrock (lithic) <br />117-Lamphier-Jerry complex, 25 to 65 <br />percent slopes <br />Map Unit Setting <br />Major Land Resource Area: 48A <br />Elevation: 7,200 to 8,600 feet (2,195 to 2,621 meters) <br />Mean annual precipitation: 18 to 20 inches (457 to <br />508 millimeters) <br />Mean annual air temperature: 37 to 40 degrees F. <br />(2.8 to 4.4 degrees C.) <br />Freeze-free period. 50 to 75 days <br />Map Unit Composition <br />Lamphier and similar soils: 45 percent <br />Jerry and similar soils: 30 percent <br />Minor components: 25 percent <br />Component Descriptions <br />Lamphier soils <br />Landform: Mountainsides, plateaus <br />Parent material. Colluvium and residuum derived <br />from sandstone <br />Slope: 25 to 65 percent <br />Drainage class: Well drained <br />Slowest permeability: 0.6 to 2.0 in./hr. (moderate) <br />Available water capacity. About 8.7 inches (moderate) <br />Shrink-swell potential: About 1.5 percent (low) <br />Runoff class: Medium <br />Calcium carbonate maximum: None <br />Gypsum maximum: None <br />Salinity maximum: About 0 mmhos/cm (nonsaline) <br />Sodium adsorption ratio maximum: About 0 <br />(nonsodic) <br />Ecological site: Brushy Loam <br />Potential native vegetation: Gambel's oak, Saskatoon <br />serviceberry, elk sedge, mountain snowberry, <br />Letterman's needlegrass, mountain brome, <br />nodding brome, slender wheatgrass <br />Land capability subclass (nonirrigated): 7e <br />111 <br />Parent material. Colluvium and residuum derived <br />from shale <br />Slope: 25 to 65 percent <br />Drainage class: Well drained <br />Slowest permeability:.001 to .06 in./hr. (very slow) <br />Available water capacity. About 9.9 inches (high) <br />Shrink-swell potential: About 7.5 percent (high) <br />Runoff class: Very high <br />Calcium carbonate maximum: About 4 percent <br />Gypsum maximum: None <br />Salinity maximum: About 2 mmhos/cm (nonsaline) <br />Sodium adsorption ratio maximum: About 1 (slightly <br />sodic) <br />Ecological site: Brushy Loam <br />Potential native vegetation: Gambel's oak, Saskatoon <br />serviceberry, elk sedge, mountain brome, <br />Letterman's needlegrass, mountain snowberry, <br />nodding brome, slender wheatgrass <br />Land capability subclass (nonirrigated): 7e <br />Typical Profile: <br />0 to 10 inches; loam <br />10 to 21 inches; clay loam <br />21 to 27 inches; silty clay <br />27 to 60 inches; silty clay loam <br />Minor Components <br />Rock outcrop <br />Composition: About 7 percent <br />Danavore and similar soils <br />Composition: About 6 percent <br />Skyway and similar soils <br />Composition: About 6 percent <br />Moderately deep soils and similar soils <br />Composition: About 6 percent <br />Depth to restrictive feature: 20 to 40 inches to <br />bedrock (lithic) <br />118-Lander loam, 0 to 3 percent slopes <br />Typical Profile: Map Unit Settin <br />0 to 2 inches; moderately decomposed plant Major Land Resource Area: 34 <br />material <br />2 to 24 inches; fine sandy loam Elevation: 6,000 to 7,000 feet (1,829 to 2,134 meters) <br />24 to 60 inches; sandy clay loam Mean annual precipitation: 12 to 16 inches (305 to <br />406 millimeters) <br />Jerry soils Mean annual air temperature: 42 to 45 degrees F. <br />(5.6 to 7.2 degrees C.) <br />Landform: Mountainsides, plateaus Freeze-free period. 75 to 95 days