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• shown fairly little change since 1985. The September 1985 value <br /> is significantly higher probably due to drilling fluid left in the <br /> well after completion before water levels could stabilize. <br /> Figure A-29 presents the water-level elevation versus time <br /> data for well GP8. Well GPB is completed in the KLM aquifer <br /> approximately 25 feet away from well GP7. Water level changes in <br /> well GP8 compare well with KLM aquifer wells GA2 and GP4. The <br /> changes are thought to be a reflection of natural declines in the <br /> KLM aquifer. Water-level data for well GP8 is tabulated in Table <br /> A-8. Water-level elevations for Third White Sandstone well GP9 <br /> are shown on Figure A-30. Levels were fairly steady in well GP9 <br /> through 1987. In 1988 the water level dropped nearly three feet <br /> while in 1989 the water level dropped approximately three and one- <br /> half feet. These declines are thought to be caused by a reduction <br /> in the recharge rate to the Third White Sandstone in this area. <br /> Water-level data for well GP9 is tabulated in Table A-8. <br /> Water-level data for the P series wells is presented in <br /> Tables A-8 and A-9 of Appendix A. Water levels in alluvial well <br /> P1 have shown a decline during 1988 and 1989 from levels in 1987 <br /> ( see Figure A-31 ) . Water levels in well P1 stayed high from 1984 <br /> through 1987 because the base flow of Pyeatt Gulch had increased <br /> and had kept the water levels in the alluvium high. The water <br /> levels since September of 1987 are lower than average , due to <br /> declining flow in Pyeatt Gulch probably caused by the drought <br /> conditions of recent years. Water levels in the Lewis Shale (well <br /> • P3, see Figure A-32) , which is in contact with the Pyeatt <br /> 2-12 <br />