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<br />i <br /> <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 />Drill Hole #537B <br />Nucla Mine, bbntrose County, Colorado <br />Date Drilled: 1/7/77 <br />Thickness <br />Strata (Feet) <br />Surface soil 1.5 <br />Sandstone 2.5 <br />Shale and sandstone 2.0 <br />Sandstone 4.3 <br />Gray shale 3.8 <br />Coal #1 (li. Dakota) 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 and sandstone 1.0 <br />TQPAL DEPTEi <br />6-t-29 <br />