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u f. <br />• ~ crn~us <br />"`'; Empire Corporation <br />April 20, 1990 <br />Anthony J. Waldron <br />Reclamation Specialist <br />Mined Land Reclamantion Division <br />Department of Natural Resources <br />1313 Sherman St., Room 215 <br />Denver, Colorado 80203 <br />P.O. Box 6B <br />Craig, Colorado 81626 <br />303.824.8246 <br />SUBJECT: Subsidence Monitoring for E-seam Longwall Panels - <br />No. 6 Mine; Permit C-81-044 <br />Dear Mr. Waldron: <br />Attached is the proposed subsidence monitoring schedule for <br />longwall mining in the E-seam. Cyprus Empire believes this <br />• information will clarify the program and provide the data required <br />to verify the subsidence predictions presented in the Permit. <br />Cyprus Empire initiated the attached monitoring program with a <br />survey of the "S" and "T" monuments last November. We presently <br />plan to perform the second survey of these points this month. <br />Please contact Collin Stewart or me (303/824-8246) with any <br />questions you may have. <br />Sincerely yours, <br />Terrell K. Jo son <br />Environmental Engineer <br />Enclosure <br /> <br />cc w/ encl <br />Jim Dodd <br />Collin Stewart <br />Joe Shoemaker <br />Rocky Thompson <br />TKJ/mcd <br />Ex 44-1 <br />