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J. E. STOVER & ASSOCIATES <br />2768 COMPASS DRIVE, SUITE 101 <br />GRAND JUNCTION, COLORADO 81506 <br />PHONE: (970) 245-4101, FAX 242-7908 <br />MINE ENGINEERING <br />MINE RECLAMATION <br />November 23, 1999 <br />Dan T. Mathews <br />Division of Minerals and Geology <br />2148 Broadway, #C5 <br />Grand Junction, CO 81503 <br />Re: Powderhorn Coal Company <br />Roadside Portals (Permit No. C-81-041) <br />Annual Hydrology Reports 1997 and 1998 <br />NOV CV-99-013 <br />Dear Mr. Mathews: <br />iii iiiiiiiiiiiuiii <br />999 <br />CIVIL ENGINEERING <br />CONST. MANAGEMENT <br />I -.: -'. <br />DECEIVED <br />NOV 2 4 19F;9 <br />DIV. Ot•`1VIfNERALS 8 GEOLOGY <br />GRAND JUNCTION <br /> <br />My letter to the DMG dated November 2, 1999 responded to abatement step numbers 1 <br />and 2 for the referenced NOV. Abatement step number 3 requires the submittal of 1999 <br />water year data for UTL wells, Rollins wells and Cottonwood Creek and Rapid Creek <br />gaging stations. <br />The 1999 water year data for UTL wells, Rollins wells and stream guaging stations SWGS- <br />02, 03 and 05 were submitted with my letter dated November 2, 1999. Enclosed are 1998 <br />and 1999 data for SWGS-01. The 1998 data are presented on pages S-98-1, SG-25 and <br />SG-26. The 1999 data are presented on pages S-99-1, SG-26 and SG-27. <br />Also enclosed are pages GE-6 and SK-11 which were revised as per the DMG's letter <br />dated November 9, 1999. <br />Please let me know if you have any questions. <br />Sincerely, <br />~t~~~ <br />J. E. Stover, P.E. <br />Consulting Engineer <br />