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Topsoilin4 <br />Approximately the top 12 inches of soil on the property is classified as topsoil. This layer <br />includes the root zone of grasses and crops, which will be stripped and stockpiled separately. <br />By using concurrent reclamation techniques, the topsoil is not expected to remain in stockpiles <br />for more than one to five years. If the stockpile remains more than one growing season, it will be <br />seeded with a fast growing vegetative cover to prevent erosion. All topsoil will be retained on- <br />site to reclaim the reservoir shoreline, and other areas disturbed by mining activities. Where <br />required, topsoil will be replaced to a depth of approximately six inches. <br />Revegetation <br />As mining operations are completed, areas for reclamation will be graded and shaped for <br />revegetation. Runoff or excess water from adjacent areas will not be allowed to flow over slopes <br />being graded and seeded. If needed, berms or channels will be constructed to divert excess <br />water and convey it in a safe and non-erosive manner. <br />For disturbed areas, the reclamation plan includes re-vegetating with appropriate seed mixes to <br />minimize erosion and re-establish natural terrain. The seed mixture below was selected to be <br />long lasting and regenerating, as recommended by the Prowers County Conservation District <br />(see attached recommendation). The ground will be fine graded prior to seeding and mulch will <br />be applied according to recommendations from the Natural Resource Conservation Service. <br />Reservoir side slopes below the anticipated reservoir water level will not be seeded. The <br />proposed seed mix is shown in the following table. <br />Seed Mix Application Rate' <br />Alkali Sacaton (Saltalk) 1.5 PLS/ac <br />Switchgrass (Blackwell or Pathfinder) 4.0 PLS/ac <br />Blue Grama (Hachita or Lovington) 3.0 PLS/ac <br />Western Wheatgrass (Arriloa, Barton, Rosana) 16.0 PLS/ac <br />Sideoats Grama (Vaughn, El Reno Niner) 9.0 PLS/ac <br />Buffalograss (Texoka, KN03 treated, or native within 150 <br />miles of site) 6.0 grain or 16.0 bur <br />Application rate is for drilling the seed. If seed is to be broadcast, the application rate will be <br />doubled. <br />The seed mix will be planted with a drill equipped with depth bands and fluffy seed agitator. The <br />seed will be drilled between November 15 and April 30 for best results. The seeded areas will <br />then be covered dead crop litter from sorghum or milo crop forage, or with straw mulch at a rate <br />of 1,200 to 2,000 pounds per acre. <br />If a significant invasion of noxious weeds occurs after seeding, the weeds will be mowed before <br />they can go to seed. The areas will be mowed periodically for additional control as needed. <br />Mechanical control will be used as a first priority. Chemical methods will only be used if no other <br />alternative produces acceptable results. <br />m GP Ranches, LLC. <br />?' JsT Consulting. Inc. West Farm Pit <br />DRMS 112 Permit Application