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i• <br /> <br />~ Drill Hole &285B <br />, Nucla Mine, tbntrose County, Colorado <br /> Date Drilled: 9/19/73. <br /> Depth Thic'rness <br /> (Feet) Strata (Feet) <br /> 0 Surface ~ 1.0 <br /> 1.0 Sarx3stone 6.2 <br /> - 7.2 Dark shale 2.0 <br /> 9.2 Smit coal 0.8 <br /> 10.0 Coal #1 (U. Dakota) 1.0 <br /> 11.0 Shale 1.3 <br /> 12.3 Hard san3stone 4.4 <br /> 16.7 Shale 1.3 <br /> 18.0 Dark shale 1.5 <br /> 19.5 Dark shale - coal 0.5 <br /> 20.0 Goal 0.6 <br />• - 20.6 .Shale 0,7 <br />` 21.3 Coal :2 (L. Dakota) 0.6 <br /> <br /> 22.1 Shale 0.1 <br /> 22.2 Coal ~ 5.0 <br /> 27.2 Shale 0.8 <br /> 28_0 Sandstone and shale 3.0 <br /> 31.0 Hard sandstone 25.6 <br /> 56.6 Dark shale 1.2 <br /> 57.8 Shale 1.1 <br /> 58.9 Coal 0.9 <br /> 59.8 Shale 0.3 <br /> 60.1 Coal 0.9 <br /> B3 (NUCIa) <br /> 61.0 Shale 1.0 <br /> G2.0 Dark shale 1.0 <br /> 63.0 Coal 1.5 <br /> 64.5 Dark shale with slate 0.4 <br /> 64.9 Hard sandstone 0.9 <br />__ 65.8 Shale 10.2 <br /> 76.0 Hard sandstone 5.6 <br />• 6-1-18 <br />REVISED MAACH 2006 Attachment 2.04.6-1-19 <br />