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TABLE III-20f <br />CALCULATED INFLOW TO N0. 5 MINE FROM RIVERS <br />Q = T (2 Ho +b) L (McWhorter, 1981) <br />2 a <br />T =Transmissivity (Coal and Middle Sandstone) <br />Ho = Head of saturated alluvium above coal <br />L =Length of aquifer exposed to constant head conditions <br />b =Thickness of coal aquifer and middle sandstone <br />a =Distance from mine face to coal subcrop <br />T = 40 ftz/day Ho = 10 ft b = 117 ft <br /> L A Q <br />Location ft ft gpm <br />East side Williams Fork River 790 250 45 <br />West side Williams Fork River 790 250 45 <br />East side Yampa River 790 250 45 <br />• West side Yampa River 790 250 45 <br /> Total 180 gpm <br />CALCULATED INFLOW TO N0. 9 MINE FROM RIVER <br />Q = T (2 Ho +b) L (McWhorter, 1981) <br />2 a <br />T =Transmissivity (Coal and White Sandstone) <br />Ho = Head of saturated alluvium above coal <br />L =Length of aquifer exposed to constant head conditions <br />b =Thickness of aquifer and (Coal and White Sandstone) <br />a =Distance from mine to coal <br />T = 52 ftz/day Ho = 10 ft b = 282 ft <br />L A Q <br />Location ft ft gpm <br />. East side Yampa River 1,737 2,000 35 <br />(REV. 10/24/83) <br />