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`J <br />~~ Cyprus Yampa Valley Coal Corporation <br />An Allrliele o! Cyprus Minerals Company <br />February 24, 1989 <br />David Berry <br />Colorado Mined Land Reclamation Division <br />1313 Sherman Street, Room 215 <br />Denver, CO 80203-2273 <br />Dear Mr. Berry: <br />• ~II ~I~II~~I~~~~~ ~I~ <br />sss <br />29667 Roull County Roatl N27 <br />Oak Creek. CO 80467 <br />Pftone (303) 8793800 <br />Re: Technical Revision 89-04, Rill and Gull Plan Modification; Mine <br />No. 3. Permit C-8 -062 <br />Colorado Yampa Coal Company (CYCC) is requesting technical ~~vision <br />approval to modify the existing Rill. and Gully Plan. This modification is <br />necessary to bring the Mine No. 2 Rill and Gully Plan up to the standards of <br />the Mine 1, 2 and Eckman Park, Permit C-81-071 Rill and Gully Plan approved <br />by the CMLRD on February 4, 1988. <br />CYCC is requesting changes relative to the methodologies and repair <br />techniques currently practiced by the C-81-071 Permit at Mines 1, 2 and <br />Eckman Park. These changes will serve to incorporate more flexibili y into <br />the current soil stabilization and repair plan and to initiate a monltoring <br />program for select areas in lieu of remedial work. All of the material for <br />the Rill and Gully Plan have been incorporated into Exhibit 24, Rill and <br />Gully Plan for ease of placement into the Mine No. 3 permit. <br />The major portions of the soil stabilization plan include <br />grading, chisel plowing, seeding and contour furrowing or ripping <br />instead of inscribing contour furrows. Diversion ditches may als <br />component of the soil stabilization plan. CYCC will complete all act <br />within the same field season if topsoil is distributed in the sun <br />fall. <br />In the event of winter topsoiling, when all activities ca <br />accomplished prior to a major snowfall or freeze, CYCC will it <br />contour furrows or ripping after topsoil redistribution. Any r~ <br />activities vrill be completed as soon as practical following the <br />season. CYCC will incorporate a monitoring program as part <br />reclamation plan for Rill and Gully monitoring, the program will <br />three years and be conducted during the annual spring/summer <br />Locations of gullies will be noted on maps along with nc <br />descriptions. Repair and monitoring work will be an ongoing <br />throughout the field season. All remedial work will be completed by <br />31. <br />rough <br />opsoil <br />be a <br />vities <br />ner or <br />iot be <br />lement <br />aining <br />winter <br />f the <br />extend <br />urvey. <br />es or <br />roject <br />ctober <br />S <br />