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-4- Gravelly Foothill 11214 <br />4. Annual Production <br />If the range is in excellent condition, the approximate total annual <br />production (air-dry) is: <br />favorable years 1,000 pounds/Ac 1,134 Kg/Ha <br />normal years 850 pounds/Ac 964 Kg/Ha <br />unfavorable years 600 pounds/Ac 680 Kg/Ha <br />Of this production 15 percent will likely be unpalatable or out of <br />reach to grazing animals. <br />5. Soils <br />The soils on this site are deep and somewhat excessively to-well <br />drained. They occur on plains, Fans and terraces. The parent <br />material source is alluvium and reworked alluvium derived, from <br />arkosic deposits. The surface textures are gravelly sandy loams and <br />sandy loams. <br />Permeability is moderate to rapid, the Columbine soil has very rapid <br />permeability. Available water capacity is low to medium. The <br />surface runoff is slow to medium and the erosion hazard is slight to <br />moderate. The steeper slopes associated with the Chaseville, Larim, <br />and Redridge soils have medium to rapid surface runoff and moderate <br />to severe erosion hazard. <br />Soil Unit <br />Chaseville gravelly sandy loam <br />Columbine gravelly sandy loam <br />Larim gravelly sandy loam <br />Newlin gravelly sandy loam <br />Redridge gravelly sandy loam <br />Stapleton sandy loam <br />Yoder gravelly sandy loam <br />B <br />MAJOR USES AND INTERPRETATIONS FOR: <br />1. Grazing <br />This site produces excellent forage for cattle and hOL3QS during <br />years of average precipitation. It provides fair to good forage for <br />sheep, antelope and deer. Care should be exercised so that this <br />site is not overgrazed because of the possibility of severe water <br />erosion on steep slopes. <br /> <br />