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ADVANCED COPY SUBJECT TO CHANGE <br />1] <br />• <br />• <br />940-Thelma-Jansend-Karing <br />complex, 3 to 30 percent slopes <br />Map Unit Setting <br />Major Land Resource Area: 48A <br />Elevation: 7,000 to 9,000 feet (2,134 to 2,743 <br />meters) <br />Mean annual precipitation: 16 to 24 inches (406 <br />to 610 millimeters) <br />Mean annual air temperature: 43 to 46 degrees <br />F. (6.1 to 7.5 degrees C.) <br />Frost-free period: 80 to 115 days <br />Map Unit Composition <br />Thelma and similar soils: 45 percent <br />Jansend and similar soils: 15 percent <br />Karing and similar soils: 15 percent. <br />Minor components: <br />Component Descriptions <br />Thelma soils <br />Landscape: Unspecified <br />Landform: Hills, mountains <br />Parent material. Colluvium and slope alluvium <br />derived from calcareous shale and/or <br />colluvium and slope alluvium derived from <br />mixed sources <br />Slope: 3 to 30 percent <br />Aspect: North <br />Shape (down/across): Linear, convex, <br />concave/concave, linear <br />Surface fragments: About 5 percent rounded <br />gravel, about 0 percent subrounded cobbles, <br />about 0 percent subrounded stones <br />Depth class: Very deep <br />Depth to restrictive feature: Unspecified <br />Drainage class: Well drained <br />Slowest permeability..06 to 0.2 in/hr (slow) <br />Available water capacity: About 8.3 inches <br />(moderate) <br />Shrink-swell potential: About 3.8 percent <br />(moderate) <br />Flooding hazard: None <br />Ponding hazard. None <br />Seasonal high water table depth: Unspecified <br />Runoff class: Medium <br />Calcium carbonate maximum: About 10 percent <br />Gypsum maximum: About 1 percent <br />Salinity maximum: About 1 mmhos/cm <br />(nonsaline) <br />Sodium adsorption ratio maximum: About 1 <br />(slightly sodic) <br />Relative effective annual precipitation: <br />Unspecified <br />Ecological site: Deep Clay Loam <br />Potential native vegetation: mountain big <br />sagebrush, western wheatgrass, Letterman's <br />needlegrass, muttongrass, Utah <br />serviceberry, mountain snowberry, mulesear <br />wyethia, nodding brome, scarlet Indian <br />paintbrush, silvery lupine, slender <br />wheatgrass <br />Land capability subclass (irrigated): 7e <br />Land capability subclass (nonirrigated): 7e <br />Typical Profile: <br />0 to 6 inches; loam <br />6 to 15 inches; loam <br />15 to 41 inches; clay loam <br />41 to 62 inches; cobbly sandy clay loam <br />Karing soils <br />Landscape: Unspecified <br />Landform: Hills, mountains <br />Parent material. Colluvium and slope alluvium <br />derived from calcareous shale and/or <br />colluvium and slope alluvium derived from <br />mixed sources <br />Slope: 3 to 30 percent <br />Aspect: North <br />Shape (down/across): Linear, concave, <br />convex/linear, concave <br />Surface fragments: About 10 percent <br />subrounded cobbles, about 15 percent <br />subrounded stones, about 1 percent <br />subrounded boulders, about 15 percent <br />rounded gravel <br />Depth class: Very deep <br />Depth to restrictive feature: Unspecified <br />Drainage class: Well drained <br />Slowest permeability..06 to 0.2 in/hr (slow) <br />Available water capacity. About 6.4 inches <br />(moderate) <br />Shrink-swell potential. About 5.0 percent <br />(moderate) <br />Flooding hazard. None <br />Ponding hazard. None <br />Seasonal high water table depth: Unspecified <br />Runoff class: Medium <br />Calcium carbonate maximum: About 14 percent <br />Gypsum maximum: About 1 percent <br />Salinity maximum: About 1 mmhos/cm <br />(nonsaline) <br />Sodium adsorption ratio maximum: About 1 <br />(slightly sodic) <br />Relative effective annual precipitation: <br />Unspecified <br />Ecological site: MOUNTAIN LOAM (SALINA <br />WILDRYE) <br />Potential native vegetation: mountain big <br />sagebrush, Arizona fescue, Letterman's <br />needlegrass, muttongrass, bearded <br />wheatgrass, mountain snowberry, mulesear <br />wyethia, slender wheatgrass, western