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<br /> <br />`~ <br />~,. <br />i• <br />Depth <br />(Feet) <br />0 <br />1.5 <br />4.0 <br />6.0 <br />10.3 <br />14.1 <br />15.8 <br />17.8 <br />19.8 <br />22.3 <br />22.5 <br />22.7 <br />29.0 <br />30.0 <br />REVISED MARCH 2006 <br />Drill Hole ~537B <br />Nucla Mine, Pt~ntrose County, Colorado <br />Date Drilled: 1/7/77 <br />Strata <br />Surface soil <br />Sandstone <br />Shale and sandstone <br />Sandstone <br />Gray shale <br />Coal <br />$1 {~. Dakota) <br />Thic}aiess <br />(Feet) <br />1.5 <br />2.5 <br />2.0 <br />4.3 <br />3.8 <br />1.7 <br />Gray shale ~ 2.0 <br />Sandstone 2.0 <br />Gray shale 2.5 <br />Coal 0.2 <br />Light gray shale ~2 (L. Dakota) 0.2 <br />Coal 6.3 <br />Shale amt sardstone 1.0 <br />TOTAL DII~1'H <br />6-t-29 <br />Attachment 2.04.6-1-30 <br />