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<br />d. SU;4~dARY AND CONCLUSIONS <br />Salvage depth for individual soils are shown in various tables and addressed <br />in the discussion of the four topsoil classes and in the map unit descriptions. <br />liost of the surface and subsurface soil horizons rata fair to good as a source <br />of topsoil material. Blending of some of the lesser quality topsoil materials <br />(~. g., fine and coarse textured materials) during removal, stockpiling, and <br />retopsoiling will help alleviate some of the physical and chemical extremes. <br />Stripping of suitable topsoil ;naterials from all disturbed lands will result <br />in an average of from 4 to 24 inches available for replacement. Enough suitable <br />quality topsoil is available to provide a basis for successful revegecation. <br />Shallow depths of topsoil replacement will occur along ridgetop disturbances <br />• by road building, other areas will average 12 to 18 inches of replaced topsoil. <br />the area is in a disturbed stet: at the present time. A carefully designed program <br />of topsoil removal, storage, replacement and revegetat-ion will ultimately benefit <br />th_ area by restoring native species and establishing better erosion control <br />if future grazing is controlled. <br />Subsoil or non-toxic materials from the waste disposal were also =valuated for <br />suitability. ;4aterial from waste areas 1 through 6 was found to be suitable. <br />Strata of marginal suitability occur randomly throughout the profile but .rill <br />be improved through inherent mixing during removal, storage and replacement. <br />• <br />II.I-30 <br />