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PEABODY COAL COMPANY - WESTERN DIVISION <br />MONITOR WELL LITHOLOGIC LOG <br />Mine: YOAST page 1 ~ <br />• Monitor Well Name: YO 2 <br />Geologic Unit Monitored: Wadoe Overburden <br />Ground Surface Elevation: 7377 (ft-amsi) <br />Location: Mine Coordinates N. E. <br />(S ), 33646 (~, 4824 ' <br />N. . <br />_}, _}, T_ S., R W., S <br />Drilling Date: Start <br />Finish <br />Drilled By: Argue o <br />Logged By: <br />Geophysics y Logge By: <br />Total Depth Drilled: 117.0 ft <br />FORh1ATI0N RECORD <br />• <br /> <br />Depth ft <br />From_ To Lithologic description of unconso idated and <br />consolidated units and water horizons <br />0.0 i 3.0 Dark brown loam topsoil with yellow sandstone franments. <br />3.0 ~ 19.7 Light brown clay with yellovsandstone fragments. <br />19.7 ~ 24.0 Light gray sandstone, low hardness, fine-grained. <br />24.0 i 27.5 Light brawn clay with sandstone fragments (40 percent . <br />27.5 ~ 32.0 Gray sandstone, low hardness, fine-grained. <br />32.0 ~ 37.7 Coal <br />37.7 I 92.0 Gray sandstone, moderately hard with dark brown shale, low hard <br /> Hess 35 ercent and dark qra siltstone, low hardness (5%). <br />92.0 ~ 106.9 Coal Wad a seam <br />106.9 ~ 117.0 Gra sandstone moderate hardness, fine-grained interbedded wit <br /> dark brown shale, low hardness (20 percent). ~ <br />117.0 ~ ~ T.D. <br /> <br /> <br /> <br /> <br /> <br /> <br /> I <br /> <br /> <br /> <br /> <br /> <br /> <br />7-1-77 <br />