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<br />EXHIBIT D (CONTINUED) <br />(Revised 01/06/95) <br />To summarize, the Mining Areas are as follows: <br />Area 1 - 5 Acres <br />Area 2A - 50 Acres <br />Area 2B - 91 Acres <br />Area 2C - 34 Acres <br /> Total 180± Acres <br /> <br />A summary of how each area will be mined is as follows: <br />Area 1 - This area will be wet mined, and backfilled with sand <br />spoils from this area and other mining areas of the <br />property. There will be no import of material for <br />backfilling from out of the permit area. Approximately <br />8,000 cubic yards of topsoil/overburden will be stored <br />and temporarily revegetated in the 25' setback area along <br />the east side of this area and the south side of Area 2B <br />for later permanent revegetation. No mining into the <br />water table will be undertaken, until a temporary <br />augmentation plan has been approved. <br />Area 2A - <br />- The South Platte River channel improvements and slurry <br />~- <br />~~~ wall will be installed in the areas shown on the <br />L~tA^ accompanying map after the relevant approvals are <br />~/. ~ obtained. The present plan calls for removal of the <br />~.1kT~ <br />'' existing berm along the southern portion of this area, <br />~~ <br />pE installation of two riprap trenches, and installation of <br /> a grade control structure. The slurry wall along the <br /> River will be installed behind (east and south) of the <br /> rip rap trenches and grade control structures. The exact <br /> location and alignment of these improvements are <br /> conceptually shown on the MINING PLAN MAP, EXHIBIT C-2, <br /> but will be exactly determined by final engineering and <br /> approval of UD&FCD. No mining will occur in this area, <br /> until UD&FCD and any other relevant approvals are <br /> obtained. ~- <br />Area 2B - Approximately 8,000 cubic yards of topsoil/overburden <br />^-' will be stored and temporarily revegetated in the 25' <br />~~bG setback area with the stored material from Area 1. This <br />Ltk~ topsoil/overburden storage will remain until the end of <br />~ mining to act as a permanent reserve for revegetation. <br />Psti~~ pe'~- However, as much as possible, topsoil/overburden will be <br />Q~)i~ immediately used in previously mined areas to build the <br />required slopes of the reservoir and for revegetation of <br />the banks/periphery areas. Topsoil/overburden may also <br />be temporarily stored on the future berm along the South <br />Platte River outside of the South Platte River floodway, <br />and/or in other 25' periphery setback areas. <br />~J <br /> <br />~q <br />