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. _~ <br />.. <br />iiiiiiiiiiiniiiiii <br /> <br />SNOWMASS COAL COMPANY <br />M/n~ O/llp: P.D. Bo: 980 <br />Grpondale, Colorado 81623 <br />(303196}3110 <br />WnrN O/l/p: .Sidle 2300 <br />X10 Serenlaenlh Street <br />Denver, Coloratla 80202 <br />(303)82St986 <br />December 3, 1984 <br />Mr. Robert Liddle <br />Reclamation Specialist <br />Mined Land Reclamation <br />1313 Sherman Street, Room 423 <br />Denver, CO 80203-2273 <br />Dear Mr. Liddle: <br />Snoyvmass Coal Company hereby requests a minor revision to Permit <br />No. C-025-81 in order to construct a passive water treatment <br />system for the No. 2 Mine acid drainage. <br />As you know, the acid mine drainage coming out of the abandoned <br />No. 2 Mine is of very poor quality. Because this Mine is pre- <br />law and not a part of Snowmass' permit area, Snowmass feels that <br />it is not legally_.liable for the drainage coming out of the Mine. <br />However, Snowmass has already volunteered to pipe the water to <br />our zero-discharge wastewater pond so that the quality of water <br />in North Thompson Creek is maintained. <br />Recently Mr. David Holm of the Abandoned Mined Land Reclamation <br />Division proposed a passive water system to treat the No. 2 Mine <br />water. Snowmass Coal Company has voluntarily agreed to assist <br />Mr. Holm and the CMLR in constructing this system. <br />The treatment system will consist of an incised peat bog (Map #1), <br />and a limestone r~~sapped channel to the creek. This treatment <br />system will not be considered as a part of our current mining <br />permit. It is understood that this is strictly an experimental <br />treatment system; therefore, Snowmass Coal Company will not incor- <br />porate this discharge point into its current NPDES permit. How- <br />ever, if this bog treatment system should work, Snowmass Coal <br />Company would take over its operation and include it in an NPDES <br />permit revision at a later date. <br />If you have any questions or comments concerning this minor re- <br />vision, please contact me here at the mine office. <br />Sin erely, <br />r~r,~. `~" `fir <br />Scott J nes <br />Environmental Engineer <br />SJ:mgc <br />Enclosure <br />