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III IIIIIIIIIIIII III <br />999 <br />STATE OF COLORADO <br />Roy Romer, Governor <br />DEPARTMENT OF NATURAL RESOURCES <br />MINED LAND RECLAMATION DIVISION <br />FRED R. BANTA, Dlrsctor <br />March 16, 1988 <br />Mr. Jim Stover <br />Blue Ribbon Coal Co. <br />P.O. Box 1352 <br />Palisade, Colorado 81526 <br />Re: Blue Ribbon Mine Annual hydrologic Report, C-81-047 <br />Dear Mr. Stover: <br />We have completed our review of the 1987 annual hydrologic report <br />submitted on January 26, 1988. In general we feel that monitoring <br />conducted in 1987 was in compliance with the approved plan. Although <br />some monthly flow monitoring was missed during the first half of the <br />year, additional complementary monitoring of field parameters in 1987 and <br />more detailed monitoring than required in 1986 offset the omission. <br />We have several questions and comments concerning the report as follows: <br />1. How is flow measured in Hubbard Creek above the mine site? <br />Why is flow not measured below the mine site? <br />2. Submit a map with monitoring locations indicated on it for all <br />piezometers, surface water sites in Hubbard Creek, and <br />underdrain outfalls. <br />3. When was the current lower Hubbard Creek water monitoring site <br />established? <br />4. Submit historic plots of water levels in the bench piezometers. <br />423 Centennial Building, 1313 Sherman Street Denver, Colorado 80203-2273 Tel. (303) 866-3567 <br />