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TAB 12 <br /> COAL RESOURCE RECOVERY PLAN <br /> Introduction <br /> This Tab describes the coal resource recovery plan which is to be implemented within the <br /> existing and proposed permit areas during 1986 through 1990 (see Exhibit 12-1). The <br /> mining methods, including overburden and coal removal, coal supply agreement, and mining <br /> equipment are described. <br /> Mining Methods and Equipment <br /> Mining at Nucl a Mine will be conducted in three areas (i.e., Area No. 1, 2, and 3) as <br /> shown in Exhibit 12-2. All excavation will be performed by scrapers or dozers and will be <br /> conducted in areas where coal was previously being mined using a dragline. The <br /> anticipated mining schedule for each area where mining will occur during the test burn is <br /> graphically shown in Figure 12-1. Montrose County requested the use of Area No. 4 and No. <br /> 5 for an extension of the Montrose County Landfill . Peabody completed mining Area No. 4 <br /> in February, 1988. Area No. 5 coal does not comply with Peabody's customer's coal quality <br /> requirement and is not a marketable mining area. Attachment 12-1 contains a copy of the <br /> correspondence which preceded a request by Montrose County and Peabody to revise this <br /> mining permit and exclude Area No. 4 and No. 5 from the permit area. <br /> Mining activities began in 1987 at the former shop area (Area No. 4). Overburden removal <br /> in this area was accomplished by dozers pushing the material into the pits adjacent to the <br /> landfill surrounding the former shop area. Maximum overburden depth was approximately 40 <br /> feet. Both the Upper and Lower Dakota seams were removed. This area was mined <br /> concurrently with Area No. 1. <br /> Area No. 1 is located in the SSW% Section 25, T47N, R16W and approximately 2500 feet <br /> northwest of the former mine office. Both the Upper and Lower Dakota coal seams will be <br /> recovered. Maximum overburden depth will approach 65 feet. Excavations will develop pits <br /> having a generally east-west orientation which progress northward. In 1987, mining will <br /> begin at the west end of Area No. 1 with dozers. Scrapers will be used later, once <br /> dozer excavation becomes uneconomical . The Upper Dakota seam will be uncovered for <br /> 12-1 Revised 08/19/88 <br />