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n <br />U <br /> <br />• <br />• <br />Depth <br />(Feet) <br />0 <br />1.0, <br />3.1 <br />4.1 <br />10.0 <br />18.1 <br />19.0 <br />20.0 <br />22.0 <br />25.0 <br />27.2 <br />29.2 <br />29.3 <br />29.6 <br />30.6 <br />37.7 <br />39.0 <br />39.6 <br />39.9 <br />44.9 <br />45.6 <br />47.6 <br />49.0 <br />52.6 <br />53.6 <br />56.6 <br />59.6 <br />61.0 <br />63.0 <br />64.4 <br />REVISED MARCH 2006 <br />Drill kble nGW-NS <br />Nucla Mine, N,ontrose County, Colorado <br />Date Drilled: 3/2/77 <br /> Thickness <br />Strata (Peet) <br />5ur£ace soil ~ 1.0 <br />Btuan damp clay 2.1 <br />13ar'[1 sands`.nne 1.0 <br />Bz'own soft sandstone 5.9 <br />Brown gray clay 8.1 <br />Hard sandstone 0.9 <br />Shale and sandstone 1.0 <br />Grayahale 2.0 <br />Gray sandstone 3.0 <br />Dark gray shale 2.2 <br />Coal 2.0 <br />Shale and coal ~ gl (U. Dakota) 0.1 <br />Coal 0.3 <br />Sksale 1.0 <br />Gray soft sandstone ~ 7.1 <br />Gray shale 1.3 <br />Coal 0.6 <br />Shale ~$2 (L. Dakota) 0.3 <br />Coal 5.0 <br />Dark shale 0.7 <br />Sandstone 2.0 <br />Gray shale aixl sandstone 1.4 <br />Hard gray shale 3.6 <br />Hard sandstone 1.0 <br />Sandstone with shale streaks 3.0 <br />Gray shale 3.0 <br />Shale and sandstone 1.4 <br />Gray shale with hard streaks 2.0 <br />Shale and sandstone 1.4 <br />Gray shale 2.5 <br />b-1-46 <br />Attachment 2.04.6-1-47 <br />