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Drill Hole <br />Drill Hole Lithology Summary <br />Easting Northing Collar Total Depth Township Range Section File <br />C -04 -32 <br />�.,. <br />1,331, <br />349, 7,51 1, 041.90 <br />�..., _.. <br />T04N R94W <br />�..... ,�. �... _ . <br />36 <br />..... <br />_ . 5B <br />Adjusted <br />Depths <br />From <br />To <br />Seam <br />Thickness Lithologic Qualifiers <br />Lithology Type <br />Shade <br />Color <br />221.05 <br />221.75 <br />X5 <br />0.70 bright <br />coal <br />black <br />221.75 <br />222.58 <br />0.83 fissile <br />carbonaceous shale <br />dark <br />grey <br />222.58 <br />224.54 <br />1.96 muddy laminated <br />sandstone <br />light <br />grey <br />224.54 <br />227.38 <br />2.85 silty <br />mudstone <br />light <br />grey /bro <br />227.38 <br />227.68 <br />0.30 <br />siderite <br />grey /bro <br />227.68 <br />228.30 <br />0.62 <br />mudstone clay rich <br />grey <br />228.30 <br />228.66 <br />ZZ <br />0.36 <br />coal <br />black <br />228.66 <br />230.78 <br />2.11 carbonaceous <br />mudstone <br />grey /bro <br />230.78 <br />233.08 <br />2.30 silty <br />sandstone <br />grey <br />233.08 <br />233.26 <br />0.19 silty <br />mudstone <br />grey <br />233.26 <br />233.97 <br />0.71 <br />siltstone <br />light <br />grey <br />233.97 <br />236.35 <br />2.37 silty laminated <br />sandstone <br />light <br />grey <br />236.35 <br />236.66 <br />0.31 <br />sandstone /mudstone <br />light <br />grey <br />236.66 <br />237.07 <br />0.41 <br />siderite <br />light <br />brown <br />237.07 <br />238.10 <br />1.03 silty <br />mudstone <br />grey <br />238.10 <br />238.51 <br />0.41 <br />siltstone <br />medium <br />grey <br />• <br />238.51 <br />242.12 <br />3.61 <br />sandstone <br />light <br />grey <br />242.12 <br />242.38 <br />0.26 <br />siderite <br />light <br />grey <br />242.38 <br />244.70 <br />2.32 <br />carbonaceous mudston <br />grey <br />244.70 <br />245.22 <br />0.52 <br />mudstone <br />grey <br />245.22 <br />245.73 <br />ZZ <br />0.52 bright <br />coal <br />black <br />245.73 <br />246.48 <br />0.74 <br />mudstone <br />grey <br />246.48 <br />247.28 <br />0.80 <br />siderite <br />light <br />brown <br />247.28 <br />247.90 <br />0.62 <br />mudstone <br />grey <br />247.90 <br />248.93 <br />1.03 <br />siltstone <br />grey <br />248.93 <br />249.19 <br />Al <br />0.26 dull <br />coal <br />black <br />249.19 <br />249.45 <br />Al <br />0.26 <br />carbonaceous shale <br />dark <br />grey <br />249.45 <br />249.71 <br />Al <br />0.26 <br />coal <br />black <br />249.71 <br />250.02 <br />0.31 <br />carbonaceous shale <br />dark <br />grey <br />250.02 <br />251.20 <br />1.19 silty <br />mudstone <br />grey <br />251.20 <br />252.18 <br />0.98 <br />siltstone <br />light <br />grey <br />252.18 <br />252.85 <br />0.67 <br />siderite <br />light <br />grey /bro <br />252.85 <br />256.67 <br />3.82 sandy <br />siltstone <br />grey <br />256.67 <br />257.39 <br />A2 <br />0.72 bright <br />coal <br />black <br />257.39 <br />258.73 <br />1.34 carbonaceous <br />mudstone clay rich <br />dark <br />grey <br />258.73 <br />264.31 <br />5.58 interbedded interlaminated <br />siltstone /sandstone <br />grey <br />264.31 <br />264.82 <br />0.51 sandy <br />siltstone <br />grey <br />. <br />264.82 <br />266.57 <br />1.75 sandy <br />siltstone <br />light <br />grey <br />Rio Tinto Energy America - Colowyo Mine <br />Page 368 of 1194 <br />