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• III IIIIIIIIIIIIIIII <br />~!R Cyprus Yampa Valley Coal Corporation <br />An AMYUIe al Cypus A4nerels Canoany <br />December 16, 1988 <br />~,.dr <br />• <br />.. 29587 qwn County Fwo M27 <br />Oak Creek, CO 80467 <br />Pnone f303) 8793800 <br />z.y r T , - - _ _ ,,,~ <br />r, ~~ ~ ~' ,- r ~ ....F. <br />GCG ~ :; i~SB <br />Mr. David Berry <br />Colorado Mined Land Reclamation Division <br />1313 Sherman Street, Room 215 <br />Denver, CO 60203-2273 <br />Dear Mr. Berry: <br />Re: Response to <br /> <br />Wa <br />Colorado Yampa Coal Company (CYCC) is responding to your review letter <br />of November 29, 1988. CYCC has rechecked the data records of the USGS and <br />has found no additional data to incorporate into USGS Stations 09243800 and <br />09243900 1987 data base. The required sampling frequency was discussed with <br />Bob Tobin, Office Chief, USGS. All twelve (12) field measurements and four <br />(4) quarterly samples were obtained during the 1988 water year. <br />All future submittals i.e. Map 14A will contain the required P.E. <br />signatures and certifications. <br />The 1988 Annual Hydrology Report will contain a graph of electrical <br />conductivity for Station 09243800. <br />If there are any additional questions, please feel free to contact me. <br />Sincerely, <br />~;~~..o...~ 1-1~1.,~~..~ <br />Richard Hughes <br />Environmental Specialist <br />RFiFI: tlg <br />~~~5 <br /> <br />