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Getty Task 2 Pnge 32 March 1, 1983 <br />• A substantial number of wells have been completed in the overburden <br />aquifer and Tweatymile Sandstone in the Tiekea Lease area. These wells should <br />be closely monitored during development of the mine to obtain a better <br />naderstaadiag of how the mine will effect both agaifers. In addition, the <br />amount of water removed from the mine should be continuously monitored. These <br />' procedures will insure that nay unanticipated effects of mining become <br />apparent. <br />Additional wells should be completed in both the overburden aquifer and <br />the Tweatymile aquifer is areas of the basin where few such wells presently <br />ezist. These wells will allow the piezometric surfaces of these aquifers to <br />be more fully defined and compared to the inferred piezometric surface <br />presented in this report. More accurate predictions of inflow sad impacts <br />during later years of mining will be possible if this information is obtained. <br />Completion of one or more wells is the Trout Creek Sandstone should also <br />r be considered. This would allow the hydraulic properties of this aquifer to <br />be estimated and would also provide long term monitoring points that would <br />alloy the effects of mining oa this aquifer to be more thorongly assessed. If <br />• possible one such well should be completed before mining commences to obtain <br />background piezometric surface information for this aquifer. This information <br />could also be compared to the assumed data presented is this report to <br />ascertain the adequacy of the results presented. <br />• <br />