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4. Page 12-7 contains a commitment to supply additional information ,~~ <br />regarding the effect subsidence if multi seam mining is anticipated. <br />5. Additional information about the effect of subsidence is contained on Page c/ <br />12.7. Safety factors for various sizes of pillars and the coal strength <br />analysis are shown on Table 20.4. <br />6. The maps have been revised as requested. <br />7. The Bureau of Land Management required that the statement about the <br />1994 R2P2 be shown on the maps. An additional statement has been <br />added to the maps that the appropriate DMG permit revisions will be <br />approved prior to mining in Sections 32 or 33. <br />Please call if there are questions or if I can be of assistance. <br />Sincerely, <br />w <br />~~i ~~~~ <br />ohn M. Wafters <br />Mine Superintendent <br />