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JNITED STATES DEPARTMENT OF AGRICULTURE <br />Soil Conservation Service, Colorado <br />Technical Guide <br />Section II E <br />RANGE SITE N0. 298 <br />Field Office <br />August 1975 ' <br />RANGE SITE DESCRIPTION <br />for <br />ROLLING LOAN <br />Land Resource Area: Central Desertic Basins, Mountains, <br />and Plateaus (3?~) <br />Southern Rocky Mountains (48) <br />A. PHYSICAL CHARACTERISTICS <br />1. Physiographic Features <br />The landscape characteristics of this site is nearly level to <br />moderately steep. Degree of slope ranges ;from ~~-to 65$ with <br />/- the direction of slope not affecting the site. <br />Elevation ranges from 5500 to 7000 feet above sea Icvel. <br />2. Climatic Features • <br />Annual precipitation ranges between 12 to 15 inches, with about <br />50$ coming as snow. <br />~'I~e optimum growing season for native plants is April 15 to <br />!ply 1. The average temperature of the growing season averages , <br />around 55° [0 60° F. Winters average around 20° to 25° F. ' <br />Moisture comes fairly uniform over the months except for November <br />'through February which are slightly below that of the others. ' <br />?. Native (potential) Vegetation ' <br />AR open stand of big sagebrush with an abundance of grasses <br />including western wheatgrass, bluebunch wheatgrass, needlegrasses, <br />squirreltail, bluegrasses and Indian ricegrass. Shrubs, other <br />than big sage are gray horsebrush, low rabbitbrush, tall rabbit- <br />brush, and serviceberry. Principal fortis are American vetch, <br />buckwheats, bluebells, balsamroot, globemallow, lupine, yarrow, ,., <br />and fleabane. ~~~~" <br /> <br />- ~~ "`. i <br />-'- <br />i .. <br />i•= ': i <br /> cd <br />.;_ . <br /> ~. <br /> <br />