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n <br />U <br />" Dri1l~Hole ~x -Overburden <br />C: P7uccla Mine, Nbntrose County, Colorado <br />Date Drilled: 2/12/77 <br /> ~Pth Thic7auass <br /> (Feet) strata (Feet) <br /> 0.0 Sandy clay and rock - 6.0 <br /> 6..0 Da[~ brown clay 2.0 <br /> 8.0 Clay and rock 2.0 <br /> 10.0 Brown hard clay ~ 3.6 <br /> 13.6 Sandstone 0.2 <br /> 13.8 IASt 0.2 <br /> 14.0 Sandstone 1.5 <br /> 15.5 Lost 0.3 <br /> 15.8 Shale 0.4 <br /> 16.2 Sandstone w/shale streaks 0.3 <br /> 16.5 Shale 2.5 <br />• 19.0 Hard san3stone 3.0 <br /> 22.0 <br />3 <br />6 FTard satxistone 1.6 <br /> 2 <br />. Mica 0.1 <br /> 24.4 Shale & sandstone 0.7. <br /> 27.1 STial.e 8 dark shale ~ 2.7 <br /> 28.8 Coal 1.3 <br /> 29.2 Shale $1 (U. Dakota) 0.3 <br /> 29.5 Dark shale w/opal 0.5 <br /> 30.0 Hard sardstone - 1.0 <br /> 31.0 Shale 0.3 <br /> " 31.3 Hard sandstone 4.2 <br /> 35.5 ~ Dark gray shale 0.9 <br /> 36.4 Rc-xi Hock - shale 0.3 <br /> 36.7 Shale 6 sandstone streaks 1.3 <br /> 38.0 Coal 0.4 <br /> 36.4 Gray shale 0.4 <br /> 38.8 Coal #2 (L. Dakota) 1.0 <br /> 39.8 Shale 0.1 <br /> <br />• 6-i-6 <br />REVISED MARCH 2006 Attachment 2.04.&-7-7 <br />