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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 />October 2, 2000 <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 />CIVIL ENGINEERING <br />CONST. MANAGEMENT <br />The following data are presented for the third quarter (July -September) 2000. <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 />NPDES Points 001 & 002 <br />Ground Water <br />GWMS-01, 02 & 03 -May & September <br />Refuse pile piezometers (1 /4 WL) <br />Unit Train Loadout (1/4 WL) <br />Piezometer N-1 North Decline (1/4 WL) <br />Rollins 1, 2, 3, 4 (1/4 WL) <br />July -September Charts Enclosed <br />Data Page SH-25 Enclosed <br />Data Page SI-25 Enclosed <br />Data Sheet Enclosed <br />Data Sheet Enclosed <br />March or April - No Data Enclosed <br />Data Sheets SN-7 & SO-7 Enclosed <br />Data Enclosed page GA-2 <br />Data Enclosed page GC-9 <br />Data Enclosed pages GB-1 & GD-12 <br />74.3' - 9/26/00 <br />Data Enclosed page GE-1, GE-6 - 9 <br />Please let me know if you have any questions. <br />Sincerely, <br />' J. E. Stover, P.E. <br />Consulting Engineer <br />cc: PCC File <br />