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ANACONDA Minerals Company 'v trnvG 1. CC:_'cC: f.QCCl T~~I~pnon^ __~ X53 »_:., April 30, 1984 Mr. Robert Liddle Reclamation Specialist Mined Land Reclamation Division Colorado Dept. of Natural Resources a23 Centennial Building 1313 Sherman Street Denver, Colorado 80203 Dear Bob: iii iiiiiiiini» iii 999 ~~ t r i /AL / ~_J~..: i ~~'~ Reference is made to our recent telephone conversation and your letter of April 25, 1484 concerning West Elk Coal Company's (WECC) revision to Permit No. CO-007-80 to stockpile colluvial material at the Bear No. 1 Mine Site. Your concerns are addressed in the order in which they were noted in your letter. 1. Two sets of the drawings indicating the stability of the rock base below the road after excavation of the fill material are attached. 2. Drawing 5-001 of the above drawings shows the relocation of the 36" CMP drainage pipe which directs water from the drainage ditch from the inside of the access road to MB No. 2. The pipe will be relocated as shown in the drawing. 3. WECC will apply to the Colorado Department of Health for a modification to its NPDES permit to allow for the dis- charge of water over the emergency spillway by June 1, 1984. A copy of the letter transmitting the aoplicatien will be sent to CMLRD as well as a copy of the modified permit. 4. As discussed, the sediment~lLi~n.„~,gg ,3v~s, ~,esigned as a non-discfiarging p~o,nd. It is in~ende" ,~ ~o dewater through the alluvium of Tie North._ForJc of the Gunnison River. If however -far slime ~ re'ason"~ 'L~"~~<t~'rT`~" 8o~s not adequately` dewater-th ~ ~yJ rees to Dump the water r o csC'~~''~'~r Q'''~f~"Ff"dF`g~°Y~b'~"Se3i-men t a t i o n P o n d ~r MB 2. 5. As we discussed, none of the original Bear Mine drainage ditches will be disturbed as a result of our proposed activity. A <.~~DC•.C < v +r u, Comox, n ~ Din ua~ o' •~anucp mnvwCamo~n. c .. _ .....~ .. .