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RULE 2 PERMITS <br />2.05 OPERATION AND RECLAMATION PLANS <br />2.05.1 Objectives <br />The planned operations and reclamation will be similar to those presented in Volume 1, Section 2.05. <br />Operational changes and information specific to the South Taylor pit are described in the following <br />sections of this permit revision application. <br />2.05.2 Operation Plan -Estimated Area for Life of Operation <br />The entire mining extent of disturbance for the South Taylor mining area will be permitted for the life of <br />the operation. Other information regarding the permit term is delineated in Section 2.01.5. Information <br />for the operation plan is delineated in Section 2.05.3. Likewise, for purposes of this application, the <br />permit area identifies the area for the life of the mine. <br />Colowyo will employ detailed and current engineering designs for all surface mining activities in order to <br />maximize coal recovery. The open pit mining technique minimizes or eliminates coal rib losses and coal <br />fenders. The mining operations described in Section 2.05.3 are designed for maximum coal recovery. <br />2.05.3 (1) Operation Plan -Production Methods <br />Colowyo has selected its mining procedures on the basis of information from numerous exploration drill <br />holes which penetrated the overburden, the interburden, and the coal seams. Each phase of mining has <br />been carefully scheduled so that all equipment can be operated in situations suitable to [heir design <br />capabilities. The overall operation plan is designed to flow logically from topsoil removal through <br />reclamation. The plan is designed to maximize coal recovery and minimize environmental disturbances. <br />Colowyo's operation plan is described in detail within Volume 1, Section 2.05.3. <br />Topsoil removal schedules and stockpile locations are delineated on the Topsoil Handling Map, (Map <br />28B). The amounts of topsoil to be removed and replaced are found in Table 2.04.9-7, Topsoil Mass <br />Balance -South Taylor Mine Area. Topsoil will be removed from an area primarily during the summer <br />and fall months to allow for one year of mining advance. A buffer zone, with topsoil removed, will be <br />left between the undisturbed area and the crest of the pit. <br />Once the overburden is sufficiently fragmented to allow for efficient removal and loading, overburden <br />removal will commence. The location of the area [o be mined is shown on [he Mine Plan Map (Map <br />23A). <br />Colowyo will utilize two distinct methods of overburden removal in the mining operation of South <br />Taylor: (1) truck/shovel techniques and (2) dragline technique. By combining the use of both shovel and <br />trucks, and draglines, Colowyo can both efficiently and economically handle the logistics involved in a <br />multiseam, open pit coal mine. <br /> <br />South TaylodLower Wilson -Rule 2, Page 90 Revision Date: 11/30/06 <br />Revision No.: PR-02 <br />