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UNITED 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 />Auqusc 1975 <br />RANGE SITE DESCRIPTION <br />for <br />ROLLING LOAN <br />Land Resource Area: Central Desertic Basins, Mountains. <br />and Plateaus (34) . <br />Southern Rocky Mountains (48] <br />A. PHYSICAL CHARACTERISTICS <br />Physiographic Features <br />~' <br />The landscape characteristics of this site is nearly level to <br />moderartely steep.' Degree of Slope ranges-from -0 -to 65$ with <br />the direction of slope not affecting the site. <br />Elevation ranges from 5500 to 7000 feet above sea level. • <br />2. Climatic Features <br />~' <br />Annual precipitation ranges between 12 to 15 inches, with about . <br />50$ coming as snow. <br />t <br />Tlie optimum growing season for native plants is April 15 to <br />lly 1. The average temperature of the growing~seasan averages <br />around 55° to 60° F. Llinters average around 20° to 25° F. <br />Moisture comes fairly uniform over the months except for November <br />" " Lhrough February which are slightly beiow that of the others. ~ ' <br />3_ Native (potential) Vegetation <br />An_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 forbs are American vetch, <br />buckwheats, bluebells, balsamroot, globemallow, lupine, yarrow, ~ <br />~ <br />and fleabane. < <br />• S <br /> •~ <br /> <br />. • Yi <br /> <br /> <br />