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REP09521
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REP09521
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Last modified
8/24/2016 11:39:07 PM
Creation date
11/27/2007 12:09:17 AM
Metadata
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Template:
DRMS Permit Index
Permit No
C1981010
IBM Index Class Name
Report
Doc Date
2/2/1987
Doc Name
1986 AHR Section 1.0 through Figure B-2
Annual Report Year
1986
Permit Index Doc Type
Hydrology Report
Media Type
D
Archive
No
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1 <br />~' <br />' The recent water levels from the Third White Sandstone well (GC2) <br />' show that water levels have been fairly steady i.n this well. The <br />hydrograph for alluvial well, GC3, shows steady levels for 1986, also. <br />t The static water-level elevations for flowing well GD2 are <br />' presented in Figure A-9. The well head pressures were converted to <br />feet of water above land surface to obtain these elevations. water <br />' levels have been rising in the QR aquifer at well GD2 for most of <br />_ 1986. Levels in this area may be above pre-mine conditions as they <br />are to the east at well GA1 or below pre-mine conditions as they are <br />' at well GE1 in the QR aquifer. <br />' Figures A-10, A-11 and A-12 present the water level changes in <br />the QR, HI and Second White Sandstone aquifers, respectively, at the <br />' GE site. Water levels in all three of these aquifers have risen in <br />' 1986. water-level rises have been much less in the Second White <br />Sandstone and the greatest in the QR aquifer. Mining has occurred <br />within 2000 feet of these wells in the adjacent permit while mining in <br />the C pit was approximately 6000 feet from these wells. The majority <br />' of the drawdowns observed at these wells is probably not from the <br />Trapper Mine dewatering. <br />1 <br />Water levels in the GF wells are tabulated in Tables A-4 and A-5 <br />' of Appendix A. Wells GF1 and GF3 are flowing wells while the casing on <br />well GF2 was recently extended so it is no longer a flowing well. <br />Figure A-13 shows that the water-level elevations in the Twentymile <br />1 <br />2-4 <br />
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