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Drill Hole Lithology Summary <br />• <br />Drill Hole <br />Easting <br />Northing Collar Total Depth <br />Township Range <br />Section File <br />DH - <br />1,32_9,007.00 <br />353,007.00 7,311 00 600.00 <br />T4N R94W <br />35 3C <br />Adjusted Depths <br />From <br />To <br />Seam <br />Thickness Lithologic Qualifiers <br />Lithology Type <br />Shade Color <br />0.00 <br />18.00 <br />18.00 <br />undifferentiated stone <br />18.00 <br />18.00 <br />OXID <br />0.00 <br />undifferentiated stone <br />18.00 <br />19.00 <br />1.00 <br />undifferentiated stone <br />19.00 <br />22.00 <br />Y25 <br />3.00 <br />coal <br />22.00 <br />60.00 <br />38.00 <br />undifferentiated stone <br />60.00 <br />67.00 <br />SX3 <br />7.00 <br />sandstone <br />67.00 <br />86.50 <br />19.50 <br />undifferentiated stone <br />86.50 <br />88.40 <br />X3 <br />1.90 <br />coal <br />88.40 <br />90.20 <br />1.80 <br />undifferentiated stone <br />90.20 <br />95.20 <br />X4 <br />5.00 <br />coal <br />95.20 <br />121.70 <br />26.50 <br />undifferentiated stone <br />121.70 <br />123.00 <br />Al <br />1.30 <br />coal <br />123.00 <br />155.00 <br />32.00 <br />undifferentiated stone <br />155.00 <br />157.50 <br />61 <br />2.50 <br />coal <br />157.50 <br />160.00 <br />2.50 <br />undifferentiated stone <br />160.00 <br />176.00 <br />S63 <br />16.00 <br />sandstone <br />0 <br />176.00 <br />185.20 <br />9.20 <br />undifferentiated stone <br />185.20 <br />188.20 <br />B2 <br />3.00 <br />coal <br />188.20 <br />190.80 <br />B3 <br />2.60 <br />coal <br />190.80 <br />198.00 <br />7.20 <br />undifferentiated stone <br />198.00 <br />244.00 <br />SC5 <br />46.00 <br />sandstone <br />244.00 <br />250.60 <br />6.60 <br />undifferentiated stone <br />250.60 <br />252.20 <br />C3 <br />1.60 <br />coal <br />252.20 <br />255.90 <br />C5 <br />3.70 <br />coal <br />255.90 <br />261.70 <br />5.80 <br />undifferentiated stone <br />261.70 <br />269.00 <br />SD1 <br />7.30 <br />sandstone <br />269.00 <br />291.80 <br />22.80 <br />undifferentiated stone <br />291.80 <br />293.80 <br />D1 <br />2.00 <br />coal <br />293.80 <br />302.00 <br />D2 <br />8.20 <br />coal <br />302.00 <br />303.00 <br />1.00 <br />undifferentiated stone <br />303.00 <br />304.40 <br />1.40 <br />boney coal <br />304.40 <br />309.00 <br />4.60 <br />undifferentiated stone <br />309.00 <br />321.00 <br />SE2 <br />12.00 <br />sandstone <br />321.00 <br />323.00 <br />2.00 <br />undifferentiated stone <br />323.00 <br />328.20 <br />E2 <br />5.20 <br />coal <br />328.20 <br />341.10 <br />12.90 <br />undifferentiated stone <br />341.10 <br />344.00 <br />F1 <br />2.90 <br />coal <br />• <br />344.00 <br />345.30 <br />F1 <br />1.30 <br />boney coal <br />Rio Tinto Energy America - Colowyo Mine <br />Page 960 of 1194 <br />