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r~ <br />u <br />Dri11 Hole X346 <br />1* Nucla Mine, d4pntrose County, Colorado <br />Date Drilled: 11/12/73 <br /> Depth Thickness <br /> (Feet) Strata (Feet) <br /> 0 ~ Clay axxt loose rock ~ 5.0 <br /> 5.0 Shale 12.0 <br /> 17.0 Dark shale 0.5 <br /> 17.5 Sand rock 1.7 <br /> 19.2 Shale and sandstone 1.8 <br /> 21.0 Shale 2.8 <br /> 23.8 Dark stale 0.8 <br /> 24.6 Coal $1 (U. Dakota) 1.7 <br /> 26.3 Dark shale 0.7 <br /> 27.0 Rhale 1.3 <br /> 28.3 Sandstone 5.0 <br />• 33.3 Dark shale 2.0 <br /> 35.3 Opal O.5 <br /> 35.8 Shale 0.3 <br /> 36.1 Coal ,°.2 (L. Dakota) 0.9 <br /> 37.0 Shale and coal 0.2 <br /> 37.2 Coal 5.0 <br /> 42.2 Shale and sandstone streaks 17.2 <br /> 59.4 Hard sandstone 2.4 <br /> 61.8 Dark shale 2.0 <br /> 63.8 Shale 4.5 <br /> '68.3 Dark shale 0.4 <br /> 68.7 Coal 2.1 <br /> 70.8 Shale -dark shale 0.6 <br /> $3 (NUCla) <br /> 71.4 slate 1.6 <br /> 73.0 Coal 1.5 <br /> 74.5 Slate 0.5 <br />1 <br />• 6-1-23 <br />REVISED MARCH 2006 Attachment 2.04.6-1-24 <br />