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Amendment #1 Exhibit C -Mining Plan A. Dates; No changes B. Soil Science Data; No Changes C. Disposition of Overburden; No Changes D. Thickness of Deposit; C~ENVER OFFICE RF(;FI\IFfI >JUIV 1(z 1997. ~i~~„~,. _ .....,,,~a~s & Geoloyy Re~~ ~~"r ~ 5 ~g9r n 0; . ' . _, Gea/~, The deposit to be mined varies from 6 to 25 ft in depth. At this time the site has not been drilled to ascertain the actual depth of the deposit it has been estimated at 15ft. The shallow case of mining only Eft has been set if the deposit turns out to be unfavorable and adequate depth and quantity of materials are not found. However the pit will be excavated to the contact with the underling shale deposit. Additional excavation of this shale deposit may occur providing the economic conditions permit. Therefore under the favorable conditions that the shale proves to be a saleable commodity, the pit could be mined as much as l Oft into the shale, thus giving rise to the 25ft depth. Mining will occur in a uniform manner lowering the pit floor to maintain an uniform slope of less than 2% across the pit. E. Major Components of Operation; The only major component of the operation is the pit. No structures are contemplated. Processing equipment utilized in the pit will be portable. Due to the small nature on the pit site it is not possible to determine a fixed position for portable Crushing and Screening or Asphalt Production equipment. Equipment will be located by the equipment owner/operator upon arriving on site. In most cases the operator will position the processing equipment near the working face of the pit and/or existing stockpiles. Stockpiles will be located within the permit boundary and will vary in location as best benefits the owner and the processing operator. The access road is existing and will remain after mining. r- JUN 0 51g~ Ihrr2n~o Field Office D'v`•Sicn ~; '.',-;,,-ai; g Geology