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1 EXHIBIT D <br />' Mining Plan <br />' The applicant proposes to conduct an open pit aggregate operation in the <br />area shown in Exhibit C-2 revised. <br />The mining method remains unchanged and will consist of stripping of <br />' topsoil and overburden (estimated thickness 0-18 inches) followed by bulldozer <br />pushing and loader transport or loading with scraper or truck transport to an <br />' on-site sizing and/or washing plant. The aggregate will then be loaded in <br />over the road trucks for weighing and transport to various locations primarily <br />related to the Rawhide Power project. The mining areas and direction of <br />advance of mining are indicated on the revised mining plan map. The extent of <br />the aggregate deposit is indicated on the pre-mining map by the shaded area <br />' derived from the Colorado Geological Survey Special Publication 5-A, Sand, <br />Gravel, and Quarry Aggregate Resources, Colorado Front Range Counties. In the <br />initial phases of the mine as the topsoil and overburden are stripped they <br />will be stockpiled and stabilized for later use in the reclamation program. <br />Stockpile areas are indicated on the mining plan map. As the mining <br />' progresses the topsoil and overburden will be redistributed upon mined out <br />areas in an over the shoulder operation. <br />.' Current mine phasing has been developed based on received and anticipated <br />' contracts through 1981. These contracts are substantially different than <br />those assumed when the original 112 application was filed. Anticipated <br />production schedules for materials are included in the following table. An <br />average mining volume has been established at 50,000 tons per month. As <br />indicated in the original application mine production could reach a maximum of <br />' 5,000 tons per day. <br />1 <br />