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.~ <br />.. <br />.~ <br />fir; ::r <br />T <br />G'JJi <br />- • 1 <br />RANGE SITE N0. 300 page 2 <br />LOAHY BREAKS <br />August 1975 <br />This site is tree'~ess. Optimum ground cover is 20 percent. <br />Invaders on this site are mainly introduced species. <br />Native (potential) Vegetation and Guide for Determining Range <br />Condition. , <br />Percentage composition by weight of the principal species may <br />total as much as: <br />Grasses and grasslike: <br />4estern wheatgrass <br />Native bluegrasses <br />Bluebunch wheatgrass <br />, Needle-and-thread <br />Prairie Junegrass <br />Squirrel tail <br />Sna!iin t?CIIC~/ott <br />Forbs: <br />Buckwheat <br />Arrowleaf balsamroot <br />Lupine <br />Loco <br />Stemless goldenweed <br />.~ <br />Shrubs: <br />.Black and big sagebrush <br />Antelope bitterbrush <br />Law rabbitbrush <br />- Mo::ntain mahogany <br />- Gray horsebrush <br />Serviceberry <br />Snakeweed <br />- 4. Total Annual Production <br />Favorable years <br />Unfavorable years <br />Median years <br />5• Soils . <br />800 Pounds per Acre Air Dry <br />40o n „ „ n „ <br />500 „ ,~ „ .,, „ <br />a•. Soils in this site are shallow, brown to dark gray broom , <br />medium textured loam or stony loam underlaid 6y sandstone <br />or shale. The soils have moderate permeability, but due <br />to the steep slopes, the effective moisture is• reduced. <br />This is generally a droughty and unproductive site. <br /> <br />"~~ <br />'..~ <br />b. Soils in this site are: <br />~ • <br />~J i0 -. <br />10 <br />$ 30 - <br />~ ~S <br />5 -- <br />5 <br />~ -~O <br />T ~ <br />5 r ~...•,t a f <br />5 ~ rS °~~ <br />i <br />5 ~ <br />-2r1 ~D <br />10 <br />-F~ S <br />5 <br />5 <br />5 • <br />T <br />