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PEABODY COAL COMPANY - WESTERN DIVISION <br />MONITOR WELL LITHOLOGIC LOG <br />Mine: Yoast <br />Monitor Well Name: <br />Geologic Unit Monitored: a ge ver ur en <br />Ground Sufrface Elevation: (ft-amsi) <br />Location: Mine Coordinates N. E, <br />(S ), 33768 ( W), 1010 <br />N. ~- <br />_}, }, T S., R W., S <br />Drilling Date: Start <br />Finish 9/8/90 <br />Drilled By: __ Arguello <br />Logged By: USGS <br />Geophysics y Logged By: <br />Total Depth Drilled: 90.0 ft <br />FORMATION RECORD <br />Page 1 / 1 <br />Depth ft <br />From_ To Litho ogic description of unconso idated and <br />consolidated units and water horizons <br />0.0 8.0 Light gray sandy clay and silty clay topsoil. . <br />8.0 ~ 20.0 Dark gray shale <br />20.0 ~ 37.6 Dark gray shale, low hardness with light gray sandstone, <br /> moderate hardness, fine-grained (30 percent). <br />37.6 ~ 43.0 Coal <br />43.0 1 43.7 Carbonaceous shale <br />43.7 1 90.0 Gray sandstone, moderate hardness, fine-grained interbedded wit <br /> dark gray shale, low hardness 35 percent and dark ara,y s~lt- <br /> w hardness 5 ercent . <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />i <br /> <br /> <br /> <br /> <br /> <br />7-1-80 <br />