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<br />As mining is completed, reclamation of the disturbed areas <br />should begin immediately. All topsoil should be stockpiled <br />before excavation begins and then applied back to the area <br />before seeding. It would also be recommended to take a soil <br />sample for fertilizer recommendations, as well as the presence <br />of salts. As a minimum, 40# N and 40# P should be applied. All <br />slopes should be kept to 4:1 or flatter. All drainage should be <br />diverted away from the slopes, if at all possible. <br />The following seed mix would be considered a general <br />recommendation: <br />Covington Blue Grama 20% @ 3.0# _ .6# PLS/AC. <br />Vaughn $ide Oats Grama 30% @ 9.0# = 2.7# PLS/AC. <br />Rosanna Western Wheatgrass 30% @ 16.0# = 4.8# PLS/AC. <br />Oahe Intermediate Wheatgrass 20% @ 18.0# = 3.6# PLS/AC. <br />A more site specific mix could be developed, once the end use <br />is determined. (i.e. wildlife, grazing, etc.) The above rates <br />are based upon NRCS critical area seeding rates. It is highly <br />recommended to use a grass drill for the seeding operation. <br />Once the grass is seeded, mulching with 3,000 - 4,000 # of <br />native hay or clean, bright, weed free straw is recommended. <br />The mulch should be applied evenly and then 'crimped' into the <br />soil. Crimping should take place on the contour of all slopes. <br />Successful stand establishment can only take place with proper <br />weed control. Control methods can be either mechanical or <br />chemical. Labeling needs to be strickly adhered to when using <br />chemicals. <br />I hope this information is satisfactory to your needs. Should <br />you need additional information, please feel free to call me. <br />ncerel , <br />N rman J e s, Jr <br />D trict Conservationist <br />