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• <br />• <br />• <br />Depth <br />(Feet) Strata <br />0 Sand and rock <br />2.0 Sandstone <br />5.4 Shale <br />7.6 Sandstone <br />Drill EEole #6390 <br />Nucla Mine, Nbntrose County, Colorado <br />Date Drilled: 5/4/77 <br />Thickness <br />(Feet) <br />2.0 <br />3.4 <br />2.2 <br />0.2 <br />7.8 Shale 0.4 <br />8.2 Soft coal #1 (U. Dakota) 0.7 <br />9.0 Shale 2.4 <br />11.4 Sandstone 6.0 <br />17.4 <br />20.5 <br />21.5 <br />21.7 <br />26.8 <br />27.2 <br />28.0 <br />Shale <br />3.1 <br />Coal 1.0 <br />Shale arxi coal #2 (L. Dakota) 0.2 <br />Coal 5.1 <br />Shale 0.4 <br />Sandstone and shale 0.6 <br />TC1fAL DEPTH <br />6-1-37 <br />