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Drill Hole Lithology Summary <br />• Drill Hole Eastina Northin>; Collar Total Depth Township Range Section File <br />C-06-19 <br />__....... ..... <br />1, 330, 39 09 <br />_ <br />346,479.91 7,78614 <br />x.... <br />1,060. <br />T03N R94W <br />2 <br />5C <br />Adj De <br />Adj the <br />From <br />To <br />Seam <br />Thickness Lithologic Qualifiers <br />Lithology Type <br />Shade <br />Color <br />876.00 <br />878.90 <br />2.90 clayey <br />carbonaceous mudston <br />black /bro <br />878.90 <br />882.00 <br />K3 <br />3.10 moderately brig <br />coal <br />882.00 <br />892.30 <br />10.30 bcmg silty <br />w /depth <br />mudstone /siltstone <br />dark <br />grey <br />892.30 <br />894.70 <br />K5 <br />2.40 dull to <br />moderately brig <br />coal <br />894.70 <br />895.60 <br />0.90 <br />carbonaceous mudston <br />black /bro <br />895.60 <br />898.30 <br />KM <br />2.70 clayey <br />very soft <br />tuff /tonstien <br />white <br />898.30 <br />902.00 <br />K7 <br />3.70 moderately brig <br />to dull <br />coal <br />902.00 <br />903.40 <br />1.40 clayey <br />carbonaceous mudston <br />black/bro <br />903.40 <br />908.70 <br />K9 <br />5.30 moderately brig <br />coal <br />908.70 <br />915.10 <br />6.40 clayey <br />mudstone <br />dark <br />grey -blac <br />915.10 <br />917.50 <br />L3 <br />2.40 moderately brig <br />to dull <br />coal <br />917.50 <br />919.20 <br />L5 <br />1.70 moderately brig <br />to dull <br />coal <br />919.20 <br />922.00 <br />2.80 clayey <br />carbonaceous mudston <br />black /bro <br />922.00 <br />924.00 <br />L7 <br />2.00 moderately brig <br />coal <br />924.00 <br />924.60 <br />L7 <br />0.60 clayey <br />carbonaceous mudston <br />black/bro <br />924.60 <br />927.30 <br />L7 <br />2.70 moderately brig <br />coal <br />927.30 <br />931.30 <br />4.00 silty <br />mudstone <br />dark <br />grey <br />931.30 <br />933.60 <br />2.30 <br />sandstone <br />medium -1 <br />grey <br />933.60 <br />940.60 <br />7.00 slightly <br />sandy <br />mudstone /siltstone <br />dark -me <br />grey <br />940.60 <br />959.70 <br />19.10 well sorted <br />sandstone <br />light -med <br />grey <br />959.70 <br />963.10 <br />M5 <br />3.40 dull to <br />moderately brig <br />coal <br />963.10 <br />969.00 <br />5.90 <br />sandstone <br />light -med <br />grey <br />969.00 <br />973.20 <br />4.20 slightly <br />silty <br />mudstone <br />dark <br />grey <br />973.20 <br />975.30 <br />M7 <br />2.10 moderately brig <br />to dull <br />coal <br />975.30 <br />980.30 <br />5.00 clayey <br />carbonaceous mudston <br />black /bro <br />dark gre <br />980.30 <br />981.50 <br />N1 <br />1.20 moderately brig <br />coal <br />981.50 <br />983.60 <br />2.10 <br />carbonaceous mudston <br />black /bro <br />dark gre <br />983.60 <br />984.60 <br />N3 <br />1.00 moderately brig <br />coal <br />984.60 <br />989.20 <br />4.60 <br />mudstone <br />dark <br />grey <br />989.20 <br />993.20 <br />4.00 <br />sandstone <br />light -med <br />grey <br />993.20 <br />996.30 <br />3.10 <br />mudstone /siltstone <br />dark <br />grey <br />996.30 <br />998.00 <br />1.70 clayey <br />carbonaceous mudston <br />black <br />dark gre <br />998.00 <br />1000.00 <br />N5 <br />2.00 mod bright <br />coal <br />black <br />1000.00 <br />1002.00 <br />N7 <br />2.00 mod bright <br />coal <br />black <br />1002.00 <br />1006.10 <br />4.10 <br />mudstone /siltstone <br />dark <br />grey <br />1006.10 <br />1010.30 <br />4.20 <br />sandstone <br />medium <br />grey <br />1010.30 <br />1020.40 <br />10.10 <br />mudstone <br />dark <br />grey <br />• <br />1020.40 <br />1022.00 <br />01 <br />1.60 moderately brig <br />coal <br />Rio Tinto Energy America - <br />Colowyo Mine <br />Page <br />737 of 1194 <br />