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1:9/2-/2900 14:54 ?:9686?403 NFr_,g <br />• • <br />RANGE SITE N0. 233 Page 3 <br />MOUNTAIN LOAN, '0-14" P,Z. <br />August 19i5 <br />Tree species are not natural to the sit_. Approximate ground <br />cover is 2$°,'. Species most likely to invade are annual `orbs <br />(l ambsGuarter, Russian thistle, sunflower, etc.). These may <br />show up on areas in better condition in seasons of unusually <br />good moisture, Native species likely to invade or increase <br />from trace amounts are sleepygrass, ring and ma[ mutely, and <br />Colorado rubberweed. As the ecological condition deteriorates, <br />the dominant grasses give way to low-vigor blue grams and plants <br />of generally low grazing value, suci as ring mutely, slimstem <br />mutely, three awn, prickly pear, fringed sagebrush, snakeweed, <br />and especially rabbitbrush. Some areas become heavily infested <br />with yucca. <br />4. Total Annual Production <br />Favorable years 1G00 Pounds <br />Unfavorable years 400 " <br />Median years 750 <br />5. Soils <br />per Acre Air Dry <br />~~ ~~ ~~ <br />~~ ~~ ~~ <br />a. Soils are looms and sandy foams, usually wi[h stones, cobble, <br />or gravel on the surface and Chrough the profile. They are <br />generally moderately deep to deep but may include some shallow <br />spots. Lime is commonly present but there is no strong lime <br />zone xithin one foot of [he surface. Soils permit fairly <br />ready intake of moisture and can store most of it that `al's <br />in average years. Low soil temperature during the early par; <br />of the short growing season and frequent lack of moisture when <br />temperature i5 optimum are the main limitations. <br />b. Soils in this site are: <br />Garber loam <br />Jarre loam <br />Kassler gravelly sandy loam <br />Pring sandy loam <br />Westcreek loam <br />6. Rare, Threatened or Endangered Plants and Animals <br />FAGE 04 <br />x <br />The black-footed ferret may exist on this site because of the <br />natural prevalence of prairie dogs. <br />