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,., <br />~. =;_ <br /> <br />i ~ ~ <br />Soils Information <br />• <br />Exhibit I <br />Soils in the quarry area and production area are subdivided into <br />three basic groups. These are delineated on the overlay to base map 177.2. <br />1. The overburden above the quartz monzonite is classified by the Soil <br />Conservation Service as colluvial land (Cu). The vegetation over this <br />area is outlined in exhibit J. <br />The surface layer of this soil is mainly a sandy loam that contains <br />varying amounts of stones and cobbles from 3!' - 10", The underlying <br />material ranges frrnn shallow to deep. Lime content ranges from midly <br />calcareous to noncalcareous, and reaction ranges from neutral to moderately <br />alkaline. Most areas are dark in color. The thickness of this soil <br />ranges from 5' - 40'. This colluvial land receives runoff from adjacent <br />slopes and has erosion tendancies when no vegetation covers the surface <br />area. <br />A soil test just above the quarry face yielded a Ph of 7.8. The <br />salinity was 2.0 millimhos per cm. The shrink swell potential is rated <br />as low. <br />The available water capacity is approximately 0.12 to 0.14 inches. <br />Slope average is 30%. This soil as it is removed from the quarry deposit <br />is being stockpiled. It will be used primarily for the revegation effort <br />in the production and stockpile areas. The Soil Conservation Service has <br />written a recommendation for the employment of this soil in the lower areas <br />• of the production areas. See exhibit J. <br />