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J. E. STOVER 8~ ASSOCIATES <br />2768 COMPASS DRIVE, SUITE 701 <br />GRAND JUNCTION, COLORADO 81506 <br />PHONE: (970) 245-4101, FAX 242-7908 <br />MINE ENGINEERING <br />MINE RECLAMATION <br />iii iiiiiiiiiiiu iii <br />999 <br />CIVIL ENGINEERING <br />CONST. MANAGEMENT <br />January 4, 2002 <br />Dan T. Mathews <br />Division of Minerals and Geology <br />101 South 3rtl, Suite 301 <br />Grand Junction, CO 81501 <br />Re: Powderhorn Coal Company <br />Roadside Portals; Permit No. C-81-041 <br />Quarterly Report -Hydrology Monitoring <br />R~ <br />~ 4HOB <br />1QQ1 <br />M'~ p,~ <br />8~ "'Qr <br />Dear Mr. Mathews: <br />The following data are presented for the fourth quarter (October -December) 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 />Oct-Dec 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 />Ground Water <br />GWMS-01, 02 & 03 -May 8 September No monitoring required <br />Refuse Pile piezometers (1/4 WL) Data Page GC-11 Enclosed <br />Unit Train Loadout (1/4 WL) Data Page GB-2 Enclosed <br />Piezometer N-1 North Decline (1/4 WL) 76.74' - 12/26/01 <br />Rollins 1, 2, 3, 4 (1/4 WL) Data Page GE-1 Enclosed <br />Please let me know if you have any questions. <br />Sincerely, <br />Tonya K. Hammond <br />Owner's Representative <br />Enclosures <br />cc: PCC File <br />