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~ Getty Tssk 2 Page 12 hlarch 1, 1983 <br />i <br /> <br />The estimated value of this parameter is 0.00023 ft/day. This value ras <br />r <br />obtained from eir permeability tests performed oa core samples of the shale <br />nait. <br />' 3.3 Mine Planning <br />• In addition to the geologic and hydrologic data, estimating inf loxs <br />requires a mine plan which is ased to determine which finite difference grids <br />will be mined end the time at which mining will begin and end is each mine <br />' grid. An overall mine plan for the mine gad a detailed mine plea for the <br />i <br />pilot mine were provided by NorWesi. These maps were overlain with an <br />r <br />appropriate grid system and the tim iag of the mine advance was determined. <br />The amonat of open mine area as a function of time is presented oa Figure 2. <br />• <br /> <br />• <br />