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. I ' ' ~c/1~4~te= lq~y ANA LeNe~~t~e,,~~r-~' <br />.~ <br />Grand Mesa <br />Coal Company <br /> <br /> <br />June 14, 1985 <br />C First and Columbia <br />P. O. Box 226 <br />Delta, Colo. 81416 <br />Office: (303) 874-7561 <br />„ ~~~~f ~ ~~ Mine: (303)856-6402 <br />~~ff'' •: ~! N 1 71985 <br />MINED LAND <br />RECLAMATION DIVISION <br />Thomas Gillis <br />Reclamation Specialist <br />Colorado Mined Land Reclamation Division <br />1313 Sherman Street <br />Suite 423 <br />Denver, Colorado 80203-2273 <br />Subject: File #C-034-81, Submission of Hydrologic Data <br />Annual Hydrologic Report and Mine Inflows Map <br />Dear Tom: <br />~` Enclosed are new and updated hydrologic data sheets for insertion into the <br />three ring binder submitted with the 1983 Hydrologic Report. .41so included <br />is the 1984 Hydrologic Report and the Mine Inflows Map. Although the 1984 <br />report only covers data from October 1, 1983 through September 30, 1984 <br />some of the information is more current. <br />As this information is being reviewed we request that you consider further <br />sampling schedule reductions. With your approval the followii;~ sampling <br />schedules will be implemented for future reports: <br />- Refuse Piezometer - Quarterly water levels and field information, <br />and annual full list quality of~R-1 and R-6 in June. - ___~ - <br />- Pond Piezometer - Monthly water level and annual field information <br />in June. <br />~ - Coal Seam Wells and Piezometers - Quarterly water levels and yearly <br />field on D-1, E-1 and F-1. <br />- Alluvial Wells and Piezometers - Quarterly water levels and annual <br />field information in June on A-1. (A-9 and A-11 are 1#" PVC <br />Piezometers and are hard to sample as wells). a ~ ~^ <br />S rin s - Eliminate Spring - 2 due to irrigation runoff and Williams <br />Creek overflow dilution. <br /> <br /> <br />