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• <br />EXfiIBIT 27 - Continued <br />Distufbed - Continued. <br />Permeability is moderate. Effective rooting depth is 60 inches <br />or more. Available water capacity is high. Surface runoff is medium. <br />Erosion hazard is alight from wind and water. <br />This unit is used for livestock grazing and wildlife habitat. <br />33AA ="" Fleet ldam, 0 to 5 percent elopes. <br />This soil is on low terraces and flood plains along major <br />• <br />streams and rivers. The slopes are 0 to 5 percent. <br />Included with this soil in mapping are a few small areas of <br />alkali soils and areas of soils that are less than 20 inches deep over <br />sand and gravel. <br />Runoff is slow. The hazards of soil blowing and water erosion <br />are slight. <br />Most of the acreage of this soil is irrigated and is used for <br />grass hay and pasture. A small acreage of this soils is not irrigated <br />and is used for grazing. An organic mat 1 to 4 inches thick has generally <br />formed on the surface. Most areas are flooded in the spring for several <br />weeks. <br />R15AE = Fluetscti sandy loam, 2 to 15 percent elopes. <br />This is a deep, well-drained soil on gently sloping to strongly <br />sloping alluvial fans, high terraces, and valley aides at elevations of <br />8,000 to 9,000 feet. It formed in calcareous alluvium from sandstone and <br />sandy shale. The average annual precipitation is 14 to 16 inches, the <br />. average annual air temperature is 36 to 39 degrees F., and the frost-free <br />season is 30 to 40 days. <br />