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3-9 <br />• <br />Characteristic <br />Texture <br />Electrical Conductivity (mmhos/cm) <br />Average Range <br />SL LS,SL,SCL,L <br />0.9 2.2-0.7 <br />2 2.8-0.4 <br />7.6 7.3-8.1 <br />0.68 0.4-0.98 <br />13B 0-35~ <br />0.8 0.5 X1.0 <br />SAR <br />pH <br />Organic Matter (~) <br />Gravels <br />Available Water Capacity (in/in) <br />Permeability of Compacted Soil <br />moderate moderately slow- <br />moderately rapid <br />During storage, the topsoil stockpile will be stabilized with a <br />perennial vegetational cover resulting from drill seeding of 5 lbs/ <br />acre Western Wheatgrass-Arriba, 5 lbs/acre Streambank Wheatgrass- <br />Sodar, and 5 lbs/acre Thickspike Wheatgrass-Critana. Weed cover <br />will be controlled via the most appropriate technique. Control of <br />weeds in the topsoil will decrease potential problems of weeds com- <br />peting with species of revegetation mix after the topsoil is re- <br />spread. <br />3.3 Backfilling and Grading <br />Except as specifically indicated below, extensive regrading to <br />attempt to return the steep pre-mining slopes is not planned. j <br />Reclamation of the haul road will require some backfilling and <br />grading. From the mine site to the confluence with the pre-mining <br />