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~• <br />" UNITED STATES DEPARTMENT OF AGRICULTURE <br />• ~ Soil Conservation Service, Colorado _ <br />Technical Guide RANGE SITE N0. 303 <br />• Section •11 E Field Office <br />' ~ ~ August 1975 <br />• ~~ ~ RANGE SITE DESCRIPTION <br />' .. .. far <br />• ~ ~ ' • . "• LOAMY SLOPES <br />• Land Resource Area: Wasatch and Uinta Mountains (47) <br />_ ~ Central Desertic Basins, Mountains, <br />'• _ _ ~ ~ •: and Plateaus (34) <br />.• - - Southern Rocky Mountains (48) <br />.. _ -•A, ',PHYSICAL CHARACTERISTICS <br />,- <br />• •1. Physiographic Features ~ <br />~::; _ <br />~. ~• This site occurs on moderate to very steep stony slopes. Direction <br />.. , '~•^~ of .slope in the upper f-0othill zone is north and east, •and In the <br />- ;, ••>•ower oakbrush zone is south and west. <br />,,• Elevation ranges from 6000 to 8000 feet. <br />• <br />,~~ <br />;'=,. •, ~ =2. C1 imatic. Features <br />~: r~. <br />Annual precipi.tatlon varies from 14 to 18 inches. More than one- <br />::•.;'~'~' =ha1P of~the effecLlve moisture is snow. Optimum growing season <br />' ..'i. y <br />,•:.._ .; •_- for the native vegetation is May 15 to June 30. Winters are <br />._ _ - typically cold~,•averaging below freezing. <br />~P - p ," p' <br />'•-' "~ •• = June,~.July, 'and August are generally the drier months. April and <br />;,. . <br />.{: - = Ma'X:Sre usually windy: <br />..• -: ^~ r <br />•: - .3_ Native (potential) Vegetation <br />• This is a browse-grass plant community. Approximately one-half <br />' _ of the annual production is made up of grass species. Bluebunch <br />wheatgrass, Indian ricegrass, western wheatgrass, prairie Junegrass, <br />and bottlebrush squirreltail are the most abundant grasses. .The <br />main browse plants are mountain mahogany, antelope bitterbrush, <br />serviceberry, and big sagebrush. Principal forb species include <br />• Indian paintbrush, arrowleaf balsamroot, low larkspur, buckwheat, <br />and longleaf. phlox. <br />~~ . . <br />~ _ <br />