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Dr ill H ole <br />Drill Hole Lithology Summary <br />Easting N o r thing Colla Total Depth Township Range Section File <br />C -06 -06 <br />1, 329, 990. 21 <br />350,807.64 7,267.71 943.00 <br />T04N R94W 35 5C <br />Adjusted <br />Depths <br />From <br />To <br />Seam <br />Thickness Lithologic Qualifiers <br />Lithology Type Shade Color <br />895.20 <br />897.10 <br />1.90 <br />carbonaceous mudston <br />897.10 <br />899.90 <br />03 <br />2.80 <br />coal black <br />899.90 <br />903.00 <br />3.10 <br />sandstone light grey <br />903.00 <br />909.00 <br />6.00 <br />mudstone <br />909.00 <br />914.50 <br />5.50 interbedded <br />sandstone /mudstone <br />914.50 <br />921.30 <br />6.80 <br />mudstone /sandstone <br />921.30 <br />921.80 <br />TC <br />0.50 <br />coal <br />921.80 <br />921.80 <br />TCT <br />0.00 <br />921.80 <br />943.00 <br />STCM <br />21.20 salt/pepper lam <br />sandstone <br />• <br />Rio Tinto Energy Americo: - Colowyo Mine Page 686 of 1194 <br />