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,- J. E. STOVER & ASSOCIATES <br />2768 COMPASS DRIVE, SUITE 101 <br />GRAND JUNCTION, COLORADO 81506 <br />PHONE: (303) 245-4101, FAX 242-7908 <br />MINE ENGINEERING <br />MINE RECLAMHTION <br />August 26, 1994 <br />Anthony Waldron <br />Division of Minerals & Geology <br />1313 Sherman St., Room 215 <br />Denver, CO 80203 <br />Re: Bear Coal Company <br />Application for a <br />Revise Subsidence <br />Permit C-81-033 <br />Dear Mr. Waldron: <br />Technical Revision <br />Monitoring Plan <br />III IIIIIIIIIIIIIIII` ~= <br />sss - <br />r,~u 291994 <br />CIVIL ENGINEERING <br />CONSTRUCTIOtf ~xnernc~ttt:laGeology <br />Bear Coal Company, through this application for a technical <br />revision, requests relief from most of its subsidence monitoring <br />program. <br />The subsidence monitoring currently performed is designed to 1) <br />monitor how the slope stability of the landslides overlying the <br />workings might be affected by subsidence; 2) monitor subsidence <br />over areas where there are no renewable resources and; 3) monitor <br />the potential subsidence in Lone Pine Gulch. <br />Bear's position is that subsidence data collected to date <br />indicates; 1) subsidence has not affected the slope stability of <br />the landslides; 2) monitoring subsidence in areas where there are <br />no renewable resources is not necessary and; 3) monitoring the <br />potential subsidence in Lone Pine Gulch will continue. The <br />enclosed subsidence monitoring narrative presents the basis for <br />this position in more detail. <br />The following revised pages and maps comprise this application for <br />a technical revision: <br />Paae/Map Description of Change <br />2-OS-61 Revised to reference Exhibit 22 as the location of the <br />subsidence monitoring schedule <br />xi Revised map number and description for Map 22-1 <br />