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i• <br /> <br />• <br />Drill Hole n1C - Ovesbtuxlen <br />Depth <br />(Feet) Strata <br />28.3 Sandstone <br />28.5 Shale <br />26.9 Shale (lost) <br />29.2 Shale and sandstone <br />30.0 Sandstone <br />31.0 Shale & sandstone <br />31.8 Coal <br />33.2 Shale & coal <br />33.6 Shale <br />34.9 Shale amt sandstone <br />35.7 Sandstone <br />38.4 Hard dark shale <br />40.0 Hasci dark shale <br />40.3 Coal <br />40.6 Shale <br />40.9 Coal <br />42.3 Shale <br />42.7 Coal <br />43.4 Shale <br />43.6 Coal <br />44.4 Shale <br />44.6 Coal <br />48.0 Shale and coal <br />48.2 Shale <br />50.0 Sandstone and shale <br />52.0 Hard shale <br />54.0 <br /> <br />• <br />REVISED MARCH 2006 <br />(#1 (v. Dakota) <br />ThiGmess <br />(Feet) <br />0.2 <br />0.4 <br />0.3 <br />0.8 <br />1.0 <br />0.8 <br />1.4 <br />0.4 <br />1.3 <br />0.8 <br />2.7 <br />1.6 <br />0.3 <br />0.3 <br />0.3 <br />1.4 <br />0.4 <br />a2 (L. Dakota) 0.7 <br />0.2 <br />0.8 <br />0.2 <br />3.4 <br />0.2 <br />1.8 <br />2.0 <br />2.0 <br />6-7-5 <br />Attachment 2.04.6-1-6 <br />