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f~ <br />Grand Mesa <br />Coal Company <br /> <br />January 5, 1987 <br />John T. Doerfer <br />Reclamation Specialist <br />Colorado Mined Land Reclamation <br />1313 Sherman Street, Room 423 <br />Denver, Co 80203-2273 <br />P. O. Eiox 1351 <br />Palisade, CO 81526 <br />(303)464-7951 <br />Re: Technical Revision No. 2, Mid-Term Response, File NC-034-81 <br />Dear John: <br />In response to your request, December 24, 1986, page 155 of our Permit <br />Application has been revised. The revisions to the subsidence monitoring <br />plan include quarterly surveys, a request to the Division to allow <br />cessation of monitoring and a survey of all points determined in consul- <br />tation with the Division prior to.a permit renewal. Pages 155 and <br />155a are enclosed to replace the same pages in the Mid-Term Technical <br />Revision Request submitted October 17, 1986. Due to vacation and <br />holiday schedules, a quicker response was not possible. <br />Let me know if there are any further questions about the Mid-Term <br />Technical Revision. <br />Sincerely, <br />_O ~j ~~u• <br />Larr M. Reschke <br />Project Engineer <br />LMR:jp <br />Enclosures <br />