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<br />C <br />•~ <br /> <br />l I <br />Depth <br />(Feet) <br />0 <br />18.6 <br />23.5 <br />36.0 <br />3G.3 <br />39.0 <br />39.9 <br />41.8 <br />42.3 <br />44.0 <br />44.5 <br />45.5 <br />46.9 <br />46.2 <br />51.0 <br />51.6 <br />51.8 <br />52.7 <br />53.4 <br />58.6 <br />59.0 <br />60.0 <br />REVISED MARCH 2006 <br />Drill Hole $253B <br />Nucla Mine, Montrose County, Colorado <br />Date Drilled:. 7/7.2/72 <br /> Thic)mess <br />Strata (Feet) <br />C1aY - d~ ~ 18.6 <br />Sandstone - hard 4.9 <br />Shale - damp 12.5 <br />Coal Rider 0.3 <br />Shale - dark 2.7 <br />Sandstone - hard 0.9 <br />Shale - dark 1.9 <br />Slate 0.5 <br />Coal 41 (U. Dakota) 1.7 <br />ShR1E 0.5 <br />Sandstone - hard 1.0 <br />Sandstone and shale 0.9 <br />Sandstone - hand 1.8 <br />Shale - dark aryl slate ~ 2.8 <br />Coal ~ 0.6 <br />Shale 0.2 <br />Coal #2 (L. Dakota) 0.9 <br />Shake 0.7 <br />Coal 5.2 <br />Slate 0.4 <br />Sandstone <br />TOPAL DEPI'F? 1.0 <br />6-1-77 <br />Attachment 2.04.6-1-12 <br />