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. <br />energy fuels coal, inc. <br />eouthlieltl mine • poet office box 449 • Ilorenca, coloretlo 81228 • (719) 794-0395 <br />Ms. Cathy Begej <br />Mined Land Reclamation Division <br />1313 Sherman St., Room 215 <br />Denver, CO 80203 <br />~II II~II~III~~~~ II~ <br />March 25, 1992 <br />a. <br />I~ t... <br />VIAR 3 0 1991 <br />Mined Land <br />RPnI.• -iinn n' <br />RE: Submittal of Semi-Annual Subsidence Monitoring Report <br />Monitoring Period: May 1991, through October, 1991 <br />Your File No. C-81-014 <br />Dear Cathy: <br />Enclosed are three (3) copies of the above Subsidence <br />Monitoring Report for your review. <br />The next scheduled monitoring survey will be completed during <br />late March and early April since the previous monitoring was <br />completed in December, 1991. The next semi-annual report <br />submittal will be provided by the end of May, 1992. <br />In accordance with your letter dated February 10, 1992 <br />regarding subsidence reports, we will revise the cross section <br />diagrams per your suggestions for the next submittal. In <br />addition, we will be revising permit map no. 17, Mine Plan Map, to <br />clarify the extent of underground workings and define a projected <br />29 degree angle of draw. <br />If you have any questions or require additional information, <br />please contact me at your convenience. <br />Sincerely, <br />Allen S. Weaver <br />Mine Engineer <br />enc: <br />