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- _~._ __ , <br /> <br /> <br /> RANGE SITE N0. 293 Page 2 <br /> SANDHILLS <br /> August 1975 <br />' <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 /> Antelope bitterbrush 35 <br /> Silver sagebrush 10 ~ <br />' Indian ricegrass 10 <br /> Needle-and-thread .}p' 30~ <br /> Junegrass 5 <br /> Thickspike wheatgrass 5 <br />' Sandberg bluegrass 5 <br /> Sand dropseed 5 <br /> <br /> <br />~ Squirreltail 5 .' <br />Big sagebrush 5 <br />~. Gray horsebrush 5 <br />~' ~'c, ",, Prickly pear 5 <br />~ <br />~ Rabbitbrush L~~ ~ ~ ~a'•~ 5 <br />~ <br />.'; <br />Imo Others (1 fisted above) 10 _ <br />.. <br />: \ <br />•_ 1 <br />~~ --- <br />4. <br />Total Annual Production ' <br /> Favorable years 1200 Pounds per Acre Air Dry <br /> Unfavorable years 600 " " " " " <br />' Median years 850 " " " " " <br />• 5. Soils <br /> a. Dark brown fine sandy loamy in the swales to loamy fine <br /> sands on hills and uplands predominate [he site. Rapid <br /> permeability and low water holding capacity is character- <br />' istic. Moisture is readily available to plants and the <br /> site can be relatively productive. Production, however, <br /> will vary closely with fluctuations in precipitation. <br />' b <br />Soil <br />i <br />hi <br />i <br />- <br /> . <br />n t <br />s <br />s s <br />te are; IS -A F ; 19~u <br /> 7~~.,t Sy-{ S4C-O <br />' Cotopaxi loamy sand r;,,,~ c~~r ~P Cry <br />SSSI , S N yi , ci'Sp <br /> 6. Rare, Threatened or Endangered Plants and Animals <br />' (To be added when known) <br /> .~ - <br />j'' r J ~ V - <br /> <br /> J <br /> <br />