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~iiiiiiiiiiiiiou-iii <br />999 <br />STATE OF COLORADO <br />DIVISION OF MINERALS AND GEOLOGY <br />Depanmenl of Natural Resources <br />1313 Sherman 51.. Roam 215 <br />Denver, Colorado 80203 <br />Phone: 13031 866-3567 <br />FA%:13031 8328106 <br />May 8, 1997 <br />Mr. John C. Weinman <br />Staff Hydrologist <br />TerraMatrix/ Montgomery Watson <br />P.O. Box 774018 <br />Steamboat Springs, Colorado 80477 <br />~I~~~ <br />DEPARTMENT OF <br />NATURAL <br />RESOURCES <br />Roy Romer <br />Governor <br />lames 5 Lochhead <br />Eveculive Director <br />Michael B. Long <br />Division Director <br />Re: Information Request, Hayden Gulch Mine, Permit Number C-80-003, H-G Coal Company <br />Deaz Mr. Weinman: <br />As you had requested in our telephone conversation of May 8, 1997, enclosed is a copy of [he <br />Division's Cumulative Hydrologic Impact Study (CHIS) for the Hayden Gulch Mine. I have also <br />included the Probable Hydrologic Consequences (PHC) information that the Division has for the <br />mine. <br />If there are any questions, or you need any other information, please call me. <br />Sincerely, <br />~ .~/~.~ <br />.f seph J. Du~ash " <br />Environmental Protection Specialist <br />Enclosures <br />C:\WP61 \HGM INEUNFOLET <br />