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- iii iiiiiiiiniii iii <br />~ ROBINSON <br />BRICK ~ <br />COMPANY ~ <br />~ °°, ~ <br />~ ~ <br />October 10, 1986 <br />., <br />Mr. Jim McArtyle <br />Pained Land Reclamation Division <br />1313 Sherman Street <br />Denver, Colorado 80203 <br />RE: Technical Revisions to P?LRB Permit No. 80-245 <br />Hogback Mine (Titled in Tin Clip Pining Company) <br />ear "?r.M.cArtyle, <br />Creation of open stopes at the referenced mine by <br />underground mining methods began approximately 75 years ago. <br />The accepted mining practices of those times (ie: stoping <br />to the surface) resulted in many open stopes in excess of <br />100 feet in depth with near vertical sides. No open stopes <br />to the surface have been created by the Robinson Brick Com- <br />pany (ROBCO) since the late 50's. <br />The Inactive Mine Reclamation Section of .the MLP.D has <br />indicated that these old mine n~orkings. could be closed <br />using federal funds with no cost to £CbCO or Tin Cup Mining <br />Company. ROBCO would therefore like to request a technical <br />revision to the referenced permit to allow for the closing <br />of these stopes. <br />It is ROBCO's understanding that the preliminary recla- <br />mation plans for the closing of these open stopes should be <br />completed by the P4LRD late this year; that the final recla- <br />mation plans are to begin upon receipt of funds; that the <br />closing of the stopes is to begin after ROBCO approves the <br />plans; and that all work is to be completed over the next <br />several years. (All reclamation plans for the closing of <br />the stopes are being designed by the MLPJ and approved by <br />ROBCO.) <br />Portions of the open stopes to be reclai:~e3 are included <br />in the mining plan of the referenced permit. If ROBCO <br />redisturbes these areas through future open mining methods, <br />ROBCO will reclaim the areas per the reclamation standards <br />as stated in the then current reclamation plan. <br />If you are in need of other information or have any <br />questions please contact me. <br />Sinc rely, <br />Michael G. Leidich, P.E. ` <br />Pines Manager <br />cc: B.T. Martin <br />P.O. Box 5243 • 1845 West Dartmouth • Denver, Colorado 80217-5243 • (303) 781-9002 <br /> <br />