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3-6 <br />The topsoil storage area is adjacent to the sediment pond. Vege- <br />tation will be stripped from the storage area prior to stock- <br />piling. The stockpile ea is about 5 200 acre). The <br />volume of mater ai 1 to be stockpiled is about 0.56 acre-feet (900 bcy) / <br />The stockpile will be 4 to 5 feet high. <br />The salvaged soil should have good characteristics. It will be <br />imperfectly mixed, but the average characteristics and the range <br />in characteristics are shown below: <br />Characteristic Average Range <br />Texture SCL-SL SL-L <br />Electrical Conductivity 0.6 mmhos/cm 0.5-0.9 mmhos/cm <br />• SAR 1.0 0.2-1.3 <br />pH 7.0 7.3-8.0 <br />Organic Matter 0.68 0.2-0.90 <br />Gravels 108 0.408 <br />Available Water Capacity 0.8 in/in 0.5-1.0 in/in <br />Permeability of Compacted Soil moderately rapid moderately rapid <br />to rapid <br />3.2 TOPSOIL REf4OVAL AND STORAGE <br />3.2.1 Depths of Suitable Topsoil Available for Reclamation <br />The depths of material available f~reclamation at the Clunger <br />Canyon trine are listed in Tabie '33.2-1 by map unit. The table lists <br />the map unit, components of the map unit, percent of man unit, horizon <br />depths and ratings, recommended depth of stripping and restrictive <br />features. <br />