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17E-Work Loam. 12 to 25 Percent Slopes <br />This soil has the same characteristics as the previous soil, except <br />that it is found on steeper slopes. The soil developed in <br />interbedded sandstone and shale and is found on upland benches and <br />sideslopes. The average annual precipitation ranges from 16 to 18 <br />inches, the average annual soil temperature is 43°F to 46°F, and the <br />frost-free season is 75 to 95 days. <br />Included with this soil in mapping are a few small areas of <br />Burnette and Regent soils. <br />Typically the surface layer is a grayish brown loam about 7 inches <br />thick. The upper part of the subsoil is a brown heavy clay loam <br />about 22 inches thick. The soil is calcareous below about 47 <br />inches. <br />Permeability is moderate. The available water capacity is high. <br />Effective rooting depth is 60 inches or more. Surface runoff is <br />medium and the erosion hazard is moderate from wind and high from <br />water. <br />Most of this mapping unit is native range and used for grazing. <br />Present and potential productivity of this soil is good. <br />19E Camospass Fine Sandv Loam, 12 to 25 Percent Slopes <br />• This is a deep, well drained soil that occurs throughout the permit <br />area. Only the surface soil of this series is acceptable for <br />reclamation purposes. The usefulness of the subsurface soil is <br />limited by its high clay content. It developed in interbedded <br />sandstone and shale and is on upland valley sideslopes. The <br />average annual precipitation ranges from 15 to 18 inches, the <br />average annual soil temperature is 42°F to 47°F, and the frost-free <br />season is 75 to 95 days. <br />Typically the surface layer is a grayish brown fine sandy loam <br />about 2 inches thick. The subsurface layer is light brownish gray <br />fine sandy loam about 2 inches thick. The subsoil is light <br />brownish gray heavy clay loam about 27 inches thick. The subsoil <br />is calcareous in the lower 7 inches. The substratum is gray heavy <br />clay loam about 30 inches thick. It is calcareous. The surface <br />layer may be absent. <br />Permeability is slow. The availability water capacity is high. <br />Effective rooting depth is 60 inches or more. Surface runoff is <br />rapid, and the erosion hazard is high from wind and water. <br />Most of this mapping unit is native range and used for grazing. <br />Present and potential productivity of this soil is fair. <br />• <br />2.04.9-5 <br />