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ACZ ACZ Inc. <br />Engineering end Environmental Services <br />1475 Pine Grove Road, Suite 109 <br />P.O. Box 774018 <br />Steamboat Springs, Colorado 80477 <br />303-879-6260 <br />January 10, 1992 <br />Mr. Kent Gorham <br />Colorado Mined Land Reclamation Division <br />215 Centennial Building <br />1313 Sherman Street <br />Denver, Colorado 80203 <br />--"- <br />~II ~I~~I~~I~~~~~~II <br />999 <br />JAN 13 1992 <br />Mined Land <br />Job Number: 857 <br />Re: Kerr Coal Company - 1991 Annual Hydrology Report -File No. C-80-006 <br />Dear Kent: <br />Enclosed are two copies of the Kerr Coal Company Annual Hydrology Report for <br />the 1991 Water Year at the Kerr Mine. It presents a summary of operational <br />conditions, all hydrologic data collected during the water year, appropriate <br />summaries and statistical evaluations of the data, and conclusions which can be <br />drawn. No significant deviations from previous water monitoring data were <br />observed during 1991, indicating minimal impact on the hydrologic regime at the <br />mine. <br />If you have any questions regarding this report, please direct them to me. I will <br />be happy to assist. <br />Very truly yours, <br />ACZ Inc. <br />,/ <br />Jays <br />FJJ:cmc <br />enclosure <br />cc: George V. Patterson (w/enclosure) <br />Dan Newell (w/enclosure) <br />c:\xork\ pp\Merr\ 1 gorhem.tlr <br />Ot/10/gZ ]pm <br />