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UNITED STATES DEPARTMENT OF AGRICULTURE <br /> Soil Conservation Service, Colorado <br /> Technical Guide RANGE SITE NO. 29 <br /> Section II E _ FIeIo Office <br /> August 197 : <br /> RANGE SITE DESCRIPTION <br /> for <br /> ROLLING LOAM <br /> Land Resource Area : Central Desertic Basins, Mountains , <br /> and Plateaus (34) <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 0 to 65Z 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 /> Annual precipitation ranges between 12 to 15 inches , wish about <br /> 50'% coming as snow. <br /> The optimum growing season for native plants is April 1 ', I, <br /> July 1 . The average temperature of the growing season .iveragr.� <br /> around 550 to 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 /> 3. Native (potential ) Vegetation <br /> An .open stand of big s,igebrush With .m abun,Lun.0 of :,r r.•.r . . <br /> including western wheatgr.,••,, , bluebnnih wlwolyr.i.s , w-oolr •. , ..••, , <br /> s9ijirreltail , bluegrasses and Indian ric.i qro•.•. . tihrub, , ..111e1 <br /> than big sage are gray horsebru>h, low rabbilbrush, tall , hbil <br /> brush, and serviceberry. Principal fortis are American vvi ..h, <br /> buckwheats, bluebells, balsamroot , globemallow, lupine , yarrow, <br /> and fleabane. <br /> c <br />