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III IIIIIIIIIIIII III <br />POWDERHORN <br />COAL COMPANY <br />July 8, 1999 <br />Mr. Dan Mathews <br />Division of Minerals and Geology <br />2148 Broadway, #C-5 <br />Grand Junction, CO 81503 <br />Re: TR 28 • Water Monitoring <br />Roadside Mine - C-081-041 <br />P.O. Box 1430 <br />Palisade, Colorado 81528 <br />(970) 4647961 <br />Fax (970)4647181 <br /> <br />~~~~.~~ <br />(. <br />'ia <br />JUL - 8 1999 '.; <br />MINERALS & <br /> <br />Dear Dan: <br />Enclosed is a revision to the Hydrologic Monitoring Plan. The <br />revision contains a commitment to submit hydrologic information <br />quarterly, revises the monitoring requirements for Cottonwood and Rapid <br />Creek, and moves the monitoring points in Coal and Jerry Creeks to <br />culverts. The upper monitoring points in Coal and Jerry creeks will be <br />eliminated. <br />REMOVE INSERT <br />VOLUME 5 TAB 18 <br />Table of Contents Table of Contents <br />Text Pages 18.1 to 18-8 Text Pages 18-1 to 18-7 <br />Table 18-6 <br />Please call if them questions or if I can be of assistance <br />Sincerely, <br />ohn M. Walters <br />Mine Superintendent <br />