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Expansion area. Monitoring at these two wells was resumed in 1997 after <br />being discontinued in 1985. Both of these wells have been dry since May <br />2999. <br />- Wadge Coal. The six Wadge coal wells monitored exhibit the same <br />typical seasonal variations as the previous aquifers discussed. Due to <br />low aquifer transmissivities (range 0.07 to 0.36 ft2/day), water <br />sampling may mask normal water level fluctuations. Wells WW14 and WW17 <br />have exhibited an increase in water levels since 1998. Wells WW3, WW4, <br />WWI6 and WW18 have recently displayed decreasing water levels. Water <br />levels observed this year for all these wells, except WW17, fell within <br />their historic ranges. <br />- Sage Creek Overburden. Well WSOV24 monitors this stratum in the south <br />area. Monitoring began in September 2001. <br />- Sage Creek Coal. Well WSC24 monitors this seam in the south area. <br />Monitoring began in September 2001. <br />- Wolf Creek Overburden. Well WWCOV24 monitors this stratum in the <br />south area. Monitoring began in September 2001. <br />- Wolf Creek Coal. Wells WWC3 and WWC4 have both exhibited a decrease <br />in water levels since 1997. Water levels at Well WWC17 have been on the <br />increase since 2000. Well WWC24 exists in the south area, monitoring <br />began in September 2001. Water levels observed this year for all these <br />wells, except WWC17, fell within their historic ranges. <br />- Wolf Creek Underburden. Well WWCU24 monitors this stratum in the <br />south area. Monitoring began in September 2001. <br />Ground Water Level Summary. Most aquifers at Seneca II-W exhibit a <br />typical seasonal fluctuation. Water levels are highest after the spring <br />runoff, which recharges the aquifer. Often, bedrock aquifers exhibit a <br />lag time between spring runoff and highest water levels. Water levels <br />then decrease as late summer or fall approaches. Wells WHAL6-1, 6-2 and <br /> <br />~~ <br />4 <br />