Laserfiche WebLink
Significant climatological factors for Soils Map Unit 210 Wilwood- <br />Sheppard, cool complex, 1 to 12 % slopes: <br />Map Unit Setting <br />Major Land Resource Area: 34 <br />Elevation: 5,300 to 6,000 feet <br />Mean annual precipitation: 7 to 10 inches <br />Mean annual air temperature: 45 to 48 degrees F. <br />Map Unit Composition: <br />Willwood and similar soils: 55 percent <br />Sheppard and similar soils: 35 percent <br />Minor components: 10 percent <br />Component Descriptions: <br />Willwood soils <br />See Exhibit C -2 (pages 1 thru 4) <br />EXHIBIT K <br />Landform: Alluvial fans <br />Parent material: Alluvium derived from sandstone and quartzite <br />Slope: 1 to 12 percent <br />Drainage class: Excessively drained <br />Slowest permeability: 2.0 to 6.0 in, /hr. (moderately rapid) <br />Available water capacity: about 1.6 inches (very low) <br />Shrink -swell potential: about 1.5 percent (low) <br />Runoff class: Low <br />Calcium carbonate maximum: About 2 percent <br />Gypsum maximum: None <br />Salinity maximum: About 2mmhos /cm (non - saline) <br />Sodium adsorption ratio maximum: About 1(slightly sodic) <br />Ecological site: Sandy Cold Desert <br />Potential native vegetation: needleand thread, Indian ricegrass <br />Shadscale saltbrush, spiny hopsage, Wyoming big sagebrush, <br />Bottlebrush squirreltail, sand dropseed, Nevada bluegrass <br />Land capability subclass (non - irrigated): 6e <br />Typical Profile: <br />0 to 8 inches; loamy sand <br />8 to 60 inches; extremely cobbly sand <br />