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Drill Hole Lithology Summary <br />Drill Hole <br />Easting <br />Northing Collar <br />Total Depth <br />Township Range <br />Section File <br />C -04 -13 <br />1, <br />353,997.82 7,264 <br />1,19560 <br />T04N R 94W <br />35 <br />5A <br />Adjusted Depths <br />From <br />To <br />Seam <br />Thickness Lithologic Qualifiers <br />Lithology Type <br />Shade <br />Color <br />555.95 <br />556.15 <br />0.20 <br />sandstone <br />light <br />grey <br />556.15 <br />556.95 <br />0.80 <br />siltstone <br />556.95 <br />557.55 <br />G8 <br />0.60 rashy <br />coal <br />black <br />557.55 <br />557.85 <br />G8 <br />0.30 <br />carbonaceous mudston <br />dark <br />grey /bro <br />557.85 <br />559.45 <br />G8 <br />1.60 rashy <br />gypsum <br />coal <br />black <br />559.45 <br />560.55 <br />1.10 <br />siltstone <br />560.55 <br />560.65 <br />0.10 <br />siltstone <br />560.65 <br />561.15 <br />0.50 <br />mudstone <br />561.15 <br />561.65 <br />0.50 <br />carbonaceous mudston <br />dark <br />grey /bro <br />561.65 <br />562.95 <br />1.30 <br />mudstone <br />562.95 <br />565.45 <br />2.50 <br />siltstone <br />565.45 <br />565.90 <br />0.45 <br />mudstone <br />565.90 <br />566.00 <br />0.10 <br />carbonaceous mudston <br />dark <br />grey /bro <br />566.00 <br />569.35 <br />G9 <br />3.35 bright <br />coal <br />black <br />569.35 <br />569.40 <br />0.05 <br />tuff /tonstien <br />569.40 <br />569.75 <br />0.35 <br />carbonaceous mudston <br />dark <br />grey /bro <br />569.75 <br />570.35 <br />0.60 <br />mudstone <br />570.35 <br />571.85 <br />1.50 <br />siltstone <br />571.85 <br />572.60 <br />0.75 carbonaceous <br />mudstone <br />dark <br />grey <br />572.60 <br />572.70 <br />0.10 <br />siltstone <br />572.70 <br />573.10 <br />0.40 <br />mudstone <br />573.10 <br />574.45 <br />1.35 sandy <br />siltstone <br />574.45 <br />574.95 <br />0.50 <br />carbonaceous mudston <br />dark <br />grey /bro <br />574.95 <br />575.35 <br />0.40 <br />sandstone <br />575.35 <br />576.55 <br />1.20 <br />carbonaceous mudston <br />dark <br />grey /bro <br />576.55 <br />577.75 <br />1.20 carbonaceous <br />mudstone <br />medium <br />grey <br />577.75 <br />581.45 <br />3.70 bioturbated <br />interbedded <br />siltstone /sandstone <br />medium <br />grey <br />581.45 <br />590.45 <br />SGA <br />9.00 bioturbated <br />salt/pepper lam <br />sandstone <br />light <br />grey <br />590.45 <br />605.45 <br />SGA <br />15.00 bioturbated <br />salt/pepper lam <br />sandstone <br />light <br />grey <br />605.45 <br />617.15 <br />SGA <br />11.70 silty <br />salt/pepper lam <br />sandstone <br />light <br />grey <br />617.15 <br />627.57 <br />SGA <br />10.42 silty <br />salt/pepper lam <br />sandstone <br />light <br />grey <br />627.57 <br />628.27 <br />SGA <br />0.70 sandy <br />siltstone <br />light <br />grey <br />628.27 <br />631.35 <br />SGA <br />3.08 silty <br />salt/pepper lam <br />sandstone <br />light <br />grey <br />631.35 <br />631.50 <br />SGA <br />0.15 <br />siderite <br />light <br />brown <br />631.50 <br />632.05 <br />SGA <br />0.55 silty <br />salt/pepper lam <br />sandstone <br />light <br />grey <br />632.05 <br />639.50 <br />SGA <br />7.45 silty <br />sandstone <br />light <br />grey <br />639.50 <br />640.80 <br />GA <br />1.30 bright <br />coal <br />black <br />640.80 <br />641.00 <br />0.20 <br />carbonaceous shale <br />dark <br />grey <br />Rio Tinto Energy America <br />- Colowyo Mine <br />Page <br />182 of 1194 <br />