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~ III IIIIIIIIIIIII III • '~G STATE OF COLORADO MINED LAND RECLAMATION DIVISION Department of Natural Resources 1313 Sherman St., Room 215 Denver, CO 80203: 303 866-3567 Fn x: 303 832-8106 June 9, 1992 Mr. Marcus Middleton Twentymile Coal Company 29587 Routt County Road No. 27 Oak Creek, CO 80467 DF CO~ 6 = 4-~ „~~~ +~~.~F. a lB 7fi Ray comer, Gavemor Michael B. Long, Division Director Re: Review, Annual Hydrologic Report, 1991 Water Year, Permit No. C-82-056 Dear Mr. Middleton: The Division has completed its review of the above-referenced Annual Hydrologic Report (AHR) for the Foidel Creek Mine. Please respond to each question or comment by August 30, 1992. GENERAL COMMENTS AND ERRORS/OMISSIONS Some of the Division's questions are identical to the Eckman Park or Mine 3 AHR questions. For the benefit of the historical record, please respond accordingly to each question. 1. Elevation information is incorrect either on the map, in Table 1, or in the elevation table for each site for the following locations: 008-AU-3, 001-5-5, 006-BRDH7, 006-82-74C, 109, 1001, 1002, 27A, 1003, 302, 305, 8. Please correct all elevation infcrmation to be accurate and consistent. 2. Table 1 needs eievation information for Discharge and Pond Sites. 3. Site 14 is not represented in Table 1 nor is any data included for the site. 4. Site 115, FCT 89-1, FCT 87-1, 303-2, 303-2, and 303-3 are not shown on the map. All monitored sites are required to be properly spotted on the map. 5. Spring 20-14 is improperly labeled on the map as a bedrock well. 6. Site 1001 should be removed from the ta'ole and a note added to Site 16 explaining that it replaced 1001 in 1989. 7. Frequency notations are off by one column in Table 1 for 006-AY-1, 009-79-4. 8. 008-82-48 is listed in Table 1, but no data was Submitted for the well. A check of the permit indicates the well was not required to be monitored. Please remove it from Table 1.