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• (2C) Buckskin loam, 3 to 12 percent slopes - Contd. <br />• 2E is on 12 to 25 percent slopes, is on strongly sloping to moderately <br />steep mountain sideslopes. <br />2F is on 25 to 65 percent slopes, is on moderately to very steep moun- <br />tain sideslopes. <br />(R2F) Parachute-Merino Complex, 25 to 65 percent slopes. <br />This unit is on steep mountainous slopes. The parent material is <br />Williams Fork or Illes sandstone overlying Lewis shale. <br />Two kinds of soil make up the complex. The Parachute or about 70 per- <br />cent consists of colluvium from sandstone and shale. It is moderately <br />deep, well drained and moderately permeable. Because it overlies sand- <br />. stone or shale material at about 24 inches of water holding capacity is <br />moderate. The Merino soil is forming in weathered sandstone material. <br />• It is about 6 inches thick over sandstone, has rapid surface runoff and <br />a low waterholding capacity. <br />Included are thin ledges of Rock Outcrop (RL). <br />All of the acreage is in native range and is being used for grazing. If <br />grazing is managed so that grasses are not depleted, the sail will not <br />erode. <br />(102) Perma-Hesperus complex, 25 to 65 percent slopes. <br />' ~ 'This map unit is ~on terrace and mesa' sideslopes. Elevation' is 6,300 to <br />7,000 feet. The average annual precipitation is about 14 to 16 inches, <br />the average annual air temperature is 41 to 43 degrees F, and the <br />. average frost-free season is 75 to 95 days. <br />• <br />