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J. E. STOVER 8~ ASSOCIATES <br />2788 COMPASS DRIVE, SUITE 101 <br />GRAND JUNCTION, COLORADO 81506 <br />PHONE: (970) 245-4101, FAX 242-7908 <br />MINE ENGINEERING <br />MINE RECLAMATION <br />April 2, 2001 <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 />Quarterly Report-Hydrology Monitoring <br />Dear Mr. Mathews: <br />iii iiiiiiiiiiiiiiii <br />999 <br />CIVIL ENGINEERING <br />CONST. MANAGEMENT <br />~ '', . <br />9F '_ <br />9, <br />9 ~OJ r1f' <br />The following data are presented for the first quarter (January -March) 2001. <br />Surface Water <br />SWGS-01 Rapid Creek <br />SWGS-02 Cottonwood Creek <br />SWGS-03 Rapid Creek <br />SWGS-06 Coal Creek <br />SWGS-08 Jerry Creek <br />Spring and Seep <br />Jan-Mar Charts Enclosed <br />No Monitoring Required <br />No Monitoring Required <br />Data Sheet Enclosed <br />Data Sheet Enclosed <br />March or April - No Data Enclosed <br />Ground Water <br />GWMS-01, 02 8 03 -May & September No Monitoring Required <br />Refuse Pile piezometers (1/4 WL) Data Enclosed page GC-10 <br />Unit Train Loadout (1l4 WL) Date Enclosed page GB-2 <br />Piezometer N-1 North Decline (1/4 WL) 76.6' - 3128/01 <br />Rollins 1, 2, 3, 4 (1/4 WL) Data Enclosed page GE-1 <br />Please let me know if you have any questions. <br />Sincerely, <br />~~~ <br />J. E. Stover, P.E. <br />Consulting Engineer <br />cc: PCC File <br />