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• <br />• <br />Boring Log: 9+50 <br />Project: West Elk Mine <br />Project No.: 500002 <br />Location: Somerset, Colorado <br />Completion Date: March 20, 2003 <br />Surjaee Elevation (feet AMSL*): <br />Total Depth (feet): 31.5 <br />Borehole Diameter rnehes): 8 <br />~. <br />~~ <br />ENVIRONMENTAL <br />STRATE&IES <br />Sample Data Subsurface Profile <br /> m E <br /> .'. a <br />' <br /> .G ~ ~ <br />e ~ <br />e ~ Description <br /> ~ <br />° ~ <br />C ° <br />d ' <br />E Ca ~ <br />8 C s <br />A y O.i CO e J <br /> Ground Surface <br />0 GRAVELLY CLAY (CL) <br /> Brown, plastic, moist. <br />2 <br /> NA Auger <br />4 <br />6 1 NA S.T. - CLAY(CL) <br />ravel <br />Brown <br />lastic <br />some <br />moist <br /> , p <br />, <br />g <br />, <br />. <br />g Note: Shelby tube from 5 to 7 feet. <br />10 <br />2 <br />NA <br />7-IS-35 <br />100 <br />CLAYEYS/LT(CL) <br /> wn <br />some fine <br />rained sandstone <br />vel <br />B <br />hard <br />moist <br />12 g <br />gra <br />ro <br />, <br />, <br />, <br />14 <br />16 3 NA 7-12-19 too S/LTYCLAY(CLJ --- <br />some sand and fine to medium <br />moist <br />B <br />ized <br />mv <br />l <br />moderatel <br />lasti <br />hazd <br /> . <br />rown, <br />s <br />g <br />e <br />, <br />y p <br />q <br />, <br />I8 <br />20 <br /> 4 NA 5-7-]0 100 <br />22 <br />24 <br />-- <br />ze s NA 7-n-ls too CLAYEYS/LT(ML) <br /> ht brown <br />some fine m medium sized <br />ravel <br />htl <br />hard <br />moist to dry <br />Li <br />sli <br />lastic <br /> . <br />g <br />, <br />g <br />, <br />g <br />y p <br />, <br />, <br />28 <br />30 <br /> 6 NA 5-7-8 100 <br />- <br />32 - <br />34 <br />Logged By: Pat Peterson Method: HSA ID(inches): 4.25 <br />Subcontractor: DA Smith Drilling Company <br />Driller/ Operator: Roger * <br />AMSL=Above mean sea level <br />