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11. No groundwater contamination will occur. <br />d) Reclamation Implementation <br />Topsoil Preservation, Storage & Replacement: <br />Topsoil ranges from 0 to 1 foot throughout the area. All topsoil will be stripped prior to any <br />operation and placed in separate topsoil piles, as shown on Exhibit C. As areas are reclaimed and <br />graded to final condition (as shown on Exhibit F), topsoil from the stockpiled areas will be placed <br />on the graded reclaimed area minimum 4 inches thick. Extreme care will be used to prevent <br />excessive compaction of the topsoil zone. <br />Seeding: <br />Final seeding will occur in the topsoil zones. Seeding of the regraded and topsoil covered <br />reclamation areas shall occur between December 1 and May 1st. If the site must be seeded <br />outside of this date range, a long- season grain such as wheat or oats shall be planted to aid in <br />stabilization until the reclamation seed mix (shown below) can be sowed. The area will be <br />seeded as follows: <br />Reclamation Seed Mix: <br />Buffalo Grass (Texoka, Sharps Improved) <br />Little Bluestem <br />Sideoast Grama (Vaughn, Butte, Niner, El Reno, Haskell) <br />Blue Grama (Hachital, Lovington) <br />Sand Dropseed <br />Switchgrass <br />Western Wheatgrass (Arriba, Barton, Rasana) <br />Total: <br />* *Other addition: Mycorrhiza to coast the seed at time of planting. <br />3.0Ibs. /acre <br />2.5Ibs. /acre <br />2.0 lbs. /acre <br />3.0Ibs. /acre <br />0.5Ibs. /acre <br />2.0Ibs. /acre <br />1.0Ibs. /acre <br />14 Ibs pis /acre <br />Mulching: <br />After the disturbed areas are reseeded, straw mulch will be crimped in at a rate 2 tons /acre. <br />70% of the straw must be strands of 10 inches or more. <br />Irrigation: <br />The Reclamation Seed Mix is not required to be watered as irrigation may end up harming the <br />development and germination of the grasses. <br />Reclamation seeding may take up to 3 to 5 years to fully stabilize. Silt fence and erosion control <br />measures shall remain in place until a healthy stand of vegetation has been established. <br />3 <br />