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4) Aquifer Parameters • <br />A 50 hour pumpins; test was conducted at the Seneca IIW well #l. The <br />transmissivity and confined storage coefficient values were calculated and the <br />unconfined storage coefficient was estimated (Williams and Driver, 1982) as follows: <br />Transmissivity = 23.3 ft~/d <br />Confined storage = 10'' <br />Unconfined Storage beneath the Trout Creek outcrop = . ] 0 <br />These parameters were used to characterize the aquifer in the model. <br />5) Pumping Schedule <br />Seneca IIW well Yoast well <br />pump on: 1990 through 2004 (15 yrs) 1996 through 2004 (9 yrs) <br />recovery: 2005 through 2024 (20 yrs) 2005 through 2024 (20 yrs) <br />Mining at Seneca IIW is scheduled to begin in the yeaz 1990, and at Yoast in the • <br />year 1996. Mining at both properties is scheduled to be complete in the yeaz 2004. <br />• <br />4 <br />