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<br />,~ TwENrrYnn~e <br />C COAT. COMPANY <br />A Cyprus Amax Comparry <br /> <br />Twentymile Coal Corporation <br />29515 Routt County Road N 27 <br />Oak Creek, Colorado 80467 <br />303-879-3800 <br />RECEIVCD <br />March 31. 1995 <br />Mr. Kent Gorham <br />Environmental Protection Specialist <br />Colorado Division of Minerals and Geology <br />1313 Sherman Street, Room 215 <br />Denver, Colorado 80203 <br />APR 0 5 1995 <br />Division of Minerals to Geology <br />RE: PERMITS C-82-056 8 C-81-071; ANNUAL HYDROLOGY REPORTS; EXTENSION <br />Dear Mr. Gorham: <br />Please accept this letter as a request to extend the due dates for submittal of the Twentymile <br />Coal Company (TCC) Foidel Creek Mine and Colorado Yampa Coal Company (CYCC) Eckman <br />Park Mine Annual Hydrology Reports (AHRs) to April 30, 1995. Please find enclosed spoil well <br />and spoil spring data tables for Eckman Park along with spoil spring data tables for TCC spoil <br />spring sites 7 and the_303 series: Lastly, find enclosed a summary sheet for the 1994 annual <br />spoil spring survey. These tables along with those conveyed to you during your visit here on <br />the 30th provide a summary of the 1994 data collected with the exception of NPDES sites and <br />Fish Creek AVFsites. NPDES data for the period has been submitted previously under DMR <br />covers and the Fish Creek AVF data was included in the Second Half 1994 Semi-Annual <br />Subsidence Report. <br />The completed AHRs in final format will be forwarded as soon as possible. Thank you for your <br />continued cooperation in this matter. Please contact me at (303) 879-3800 ext. 8777 if you <br />have any questions or require additional information. <br />TWENTYMILE COAL COMPANY <br /> <br />Karl C. Koehler <br />Environmental Engineer <br />/kck` <br />cc: Permits No. C-82-056 & C-81-071; 1994 Annual Hydrology Report files <br />