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J • • <br />( ~\ <br />i <br />ch~k k3w ~/~~1/jj <br />UNITED STATES DEPARTMENT OF AGRICULTURE <br />Soil Conservation Service, Colorado <br />Technical Guide <br />Section II E <br />RANGE SITE N0. 246 <br />Field Office <br />August 1975 <br />RANGE SITE DESCRIPTION <br />for <br />CLAYEY SLOPES <br />Land Resource Area: Central Desertic Basins, Mountains, <br />and Plateaus (34) <br />Southern Rocky Mountains (48) <br />A. PHYSICAL CHARACTERISTICS <br />1. Phvsiooraohic Features <br />Topography is moderately steep to very steep and hilly with <br />r/T~ slopes ranging from 15 to 65$. At lower elevations and low <br />•_ precipitation zones the site is on north and east facing slopes. <br />At higher elevations and precipitation zones the site occurs on <br />south and west exposures. The site occurs at elevations ranging <br />from 5500 feet to 7000 feet above sea level. <br />2. Climatic Features <br />The average annual precipitation ranges from 12 to 15 inches <br />with more than 50$ of the moisture falling between April 1 and <br />September 30. The growing season starts about April 1 and ends <br />in late September. <br />July, August, and September are the months with the highest <br />amount of precipitation. <br />3. Native (potential) Vegetation <br />This is a grassland site with small amounts of shrubs and fortis. <br />Dominant grasses include Salina wildrye, muttongrass, western <br />wheatgrass, Junegrass, and squirrel tail. Other native grasses <br />include Nevada bluegrass, Indian ricegrass, and Sandberg bluegrass. <br />Fortis include onion, Hoods phlox, stonecrop, hollyleaf clover, <br />fleabane, and aster. Native shrubs on the site include shadscale, <br />big sagebrush, snowberry, serviceberry, cottonthorn horsebrush, <br />tall rabbitbrush, low rabbitbrush, and greasewood. <br />