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• <br />• <br />• <br />Drill Hole Lithology Summary <br />Drill Hole Easting Northing Collar Total Depth Township Range Section File <br />C -06 -17 <br />1,326,352.82 <br />347,462.42 <br />7,773.03 862.00 <br />T03N R94W <br />2 <br />5C <br />Adjusted Depths <br />From <br />To <br />Seam <br />Thickness <br />Lithologic Qualifiers <br />Lithology Type <br />Shade <br />Color <br />803.00 <br />804.50 <br />1.50 <br />siderite <br />804.50 <br />805.70 <br />1.20 <br />carbonaceous mudston <br />very dark <br />grey <br />805.70 <br />808.20 <br />J6 <br />2.50 <br />coal <br />black <br />808.20 <br />809.50 <br />1.30 <br />boney coal <br />black <br />809.50 <br />811.50 <br />2.00 <br />carbonaceous mudston <br />very dark <br />grey <br />811.50 <br />813.50 <br />2.00 <br />sandy <br />siltstone <br />medium <br />grey <br />813.50 <br />817.00 <br />3.50 <br />mudstone <br />medium- <br />grey <br />817.00 <br />818.30 <br />J8 <br />1.30 <br />coal <br />black <br />818.30 <br />825.90 <br />7.60 <br />interbedded <br />mudstone /siltstone <br />dark <br />grey <br />825.90 <br />829.10 <br />K3 <br />3.20 <br />coal <br />black <br />829.10 <br />830.20 <br />1.10 <br />carbonaceous mudston <br />very dark <br />grey <br />830.20 <br />834.00 <br />K5 <br />3.80 <br />coal <br />black <br />834.00 <br />836.40 <br />KM <br />2.40 <br />clayey <br />tuff /tonstien <br />creamy <br />white <br />836.40 <br />840.00 <br />K7 <br />3.60 <br />coal <br />black <br />840.00 <br />841.80 <br />K9 <br />1.80 <br />coal <br />black <br />841.80 <br />842.50 <br />0.70 <br />carbonaceous mudston <br />very dark <br />grey <br />842.50 <br />845.00 <br />2.50 <br />mudstone <br />dark <br />grey <br />845.00 <br />850.00 <br />5.00 <br />interbedded <br />mudstone /siltstone <br />dark <br />grey <br />850.00 <br />853.00 <br />3.00 <br />sandstone /siltstone <br />light -med <br />grey <br />853.00 <br />862.00 <br />9.00 <br />sandstone <br />light <br />grey <br />Rio Tinto Energy America - Colowyo Mine <br />Page 732 of 1194 <br />