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#12 BALLER-ROCK OUTCROP COMPLEX 15-45% SLOPES VIIS-1 DRYLAND <br />This complex consists of strongly sloping to steep soils on ridges and "hogbacks". It is about 50% Baller <br />stony sandy loam and about 30% Rock outcrop. This soil consists of shallow, well drained soils. These <br />soils are on uplands and are underlain by bedrock at a depth of 10-20 inches. Mean annual precipitation <br />ranges from 15-17 inches, mean annual air temperature ranges from 47° to 49' F, and the frost -free <br />season ranges from 135-150 days. <br />The Surface Layer is dark grayish brown stony sandy loam about 6 inches thick. The subsurface layer is <br />dark grayish brown very stony sandy loam about 5 inches thick. Below this is hard sandstone. <br />Permeability is moderately rapid, and the available water capacity is low. Reaction is neutral. These soils <br />are used for native grasses. Included with this complex in mapping is about 20 % Carnero soils and areas <br />of soils that are similar to the baller but that has a clayey subsoil. The Carnero series consists of <br />moderately deep, well drained soils. Permeability is moderately slow, and the available water capacity is <br />medium. Reaction is neutral. <br />Runoff is medium to rapid, and the hazard of water erosion is moderate to severe. Deep hullies are in <br />some areas. <br />This soil is suited to native grasses. Scattered stands of ponderosa pine are in a few areas. <br />R:\2000\2089.00 Sprague Quarry\DOCUMENTS\PERMITS\2015 Mining Permit\For Permit Package Submittal\Exhibit I Soils Information <br />