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RANGE SITE NO. 287 Paae 2 <br /> STONY FOOTHILLS <br /> August 1975 <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 /> Western wheatgrass 15 <br /> Bluebunch wheatgrass 10 <br /> Galleta 10 <br /> Indian ricegrass 5 <br /> Needle-and-thread 5 <br /> Junegrass 5 <br /> Squirreltai1 5 <br /> Forbs: d.6V, 5 <br /> Pnleti� Pei�'SfoneNihcrY0.:co4.> Safi` <br /> Shrubs : <br /> Black and big sagebrush 15 <br /> Fringed sagebrush 5 <br /> Serviceberry 5 <br /> Rabbitbrush 5 <br /> Pinyon and Juniper 10 <br /> Tree species native to this site are pinyon and juniper. Canopy <br /> does not exceed 10 percent. <br /> Optimum ground cover is 25 percent. <br /> Invaders of this site are gumweed, sleepy grass, and annual <br /> plants. <br /> 4. Total Annual Production <br /> Favorable years 800 Pound per Acre Air Dry <br /> Unfavorable years 400 " " " If " <br /> Median years 600 " " " If <br /> is <br />