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EXHTBTT D -MTNTNG PLAN NA_RRATTVE(CONTINL~'DI (Revised 03/16/95) To summarize, topsoil/overburden will be stockpiled in the following amounts and for the following afteruse: Area 1 - 8,000± cubic yards for revegetation of the are for future use as open space or farming. The stored material will be combined with the stored material from Area 2B, and stored along the east side of this area and along east and south sides of Area 2B as shown on EXHIBIT C-2, MINING PLAN MAP. Periphery - 8,000± cubic yards for reserve to revegetate the (Areas 2A & B) 8,500± lineal footage x 25±' wide periphery areas. The periphery areas will generally be revegetated from the stripping of subsequent phases, but retaining this reserve assures that there always will be sufficient topsoil to complete revegetation. Upon completion of all phases, any excess remaining topsoil/surface material would be sold. Area 2C - 55,000± cubic yards for revegetation of up to 34± acres of potential backfill area. As with the periphery topsoil/surface material stockpile, any excess remaining will be sold. All stockpiles will be revegetated using a grass drill seeded, where possible, with Fairway Wheatgrass at a rate of 6 pounds per acre pure live seed. The rate should be doubled if broadcast seeded. After the initial seeding, the stockpile may also be seeded with either wheat or forage sorghum. More exact standards on stockpile revegetation may be found in the letter in EXHIBIT I/J - SOILS/VEGETATION INFORMATION. Backfilling of Area 1 and all or portions of Area 2C will be accomplished in accordance with standards approved by the Colorado Department of Health. Only sand spoils from the site will be utilized in the water and within 5' of the proposed highest water elevation. Above the 5' proposed water level, clean inert fill may be utilized. If clean inert fill is utilized, a Certificate of Designation will be obtained from the Colorado Department of Health defining the type of material, the screening and handling of the material, the placement and other operational aspects of such filling, and any required post-closure monitoring and care of the filled area. Prior to the use of such clean inert fill material, the Division of Minerals and Geology will be supplied with copies of the approved Certificate of Designation.