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• iii iiiiii~i~ii~i~~i ~ <br />^ A6N~MII+N Twentymile Coal Corporation <br />l~ COAL COMPANY 29515 Routt County Road k 27 <br />1~ Oak Creek, Colorado 80467 <br />A Cyprus Amax Compa'ry 303-879-3800 <br />July 14, 1995 <br />RFr,E-VED <br />JUL 2 61995 <br />Mr. Kent Gorham <br />Environmental Protection Specialist Division 01 rvurierals tS (ie010yy <br />Colorado Division of Minerals and Geology <br />1313 Sherman Street, Room 215 /I <br />Denver, Colorado 80203 ~ Wp <br />3 of <br />RE: PERMIT C-82-056: SECOND HALF 1994 SUBSIDENCE REPORT 8 1994 AHR ~~ <br />,~ ~~ <br />Dear Mr. Gorham: r ~ S~ }e S, <br />Please find enclosed duplicate replacement copies of the hydrology monitoring data section of the G~ <br />Second Half 1994 Subsidence Report for Twentymile Coal Company (TCC). These copies should entirely <br />replace those initially submitted with the report. The enclosed copies include data from the last quarter of <br />1993 for the Fish Creek AVF monitoring sites and provide complete period of record data listings for the <br />stations involved. The originally submitted pages did not include this information. <br />Also enclosed please find one set of tables numbered 100 through 123 which provide the 1994 water <br />year data for stations 91001 M, 91004M, SW-1, and SW-2. We can decide how best to formally <br />incorporate this infornarion into the 1994 AHR for TCC at a later date. For the time being, I wanted to get <br />the data to you as quickly as possible. 1 apologize for any inconvenience these late incomplete submittals <br />may have caused. Thank you for your cooperation in this matter. Please contact me at (303) 870-2730 if <br />you have any questions or require additional information. <br />TWENTYMILE COAL COMPANY <br />Karl C. Koehler <br />Environmental Engineer <br />/kck <br />Enclosures <br />cc: Permit No. C-82-056; General Correspondence file <br />Permit No. C-82-056; 1994 Annual Hydrology Report file <br />