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• <br />Boring Log: 3+00 <br />Project: West Elk Mine <br />Project No.: 500002 <br />Location: Somerset, Colorado <br />Completion Date: March 18, 2003 <br />Sarjaee Elevation (Peet AMSL *): <br />Total Depth (feet): 31.5 <br />Borehole Diameter (inches): 8 <br />r.~. <br />ENVIRONMENTAL <br />STRATEGIES <br />Sample Data Subsurface Profde <br /> m E <br /> > <br />~ a <br />a <br />i <br /> ~ e <br />° <br />0 <br />e <br />~ <br />Description <br />.y y ~ <br />O U w e <br />a E A o a' <br />d <br />a <br />~ <br />w <br />m <br />e <br />'a' <br /> Ground Surface <br />0 C~ GRAVEL <br /> Road fill. <br />2 <br />NA <br />Aager <br />GRAVELLYCLAY(CL) <br /> Dark brown to light brown, some fine to medium siu fine grained sandstone gravel, few sandstone <br />4 cobbla, plastic, moist. <br />6 1 NA 6-B-13 100 CLAY (CL) <br />Brown to li <br />ht brown <br />some rock fa <br />men[s <br />some lar <br />ravel to cobble siu sandstone <br />lastic <br />ve <br />e <br /> g <br />, <br />g <br />, p <br />, <br />ry <br />g <br />, <br />g <br /> stiff, moist. <br />8 <br />1o <br />2 <br />NA <br />5-9-9 <br />100 CLAY (CL) <br /> <br />t <br />i <br />t <br />t <br />D <br />k b <br />t <br />b <br />fi <br />d <br />l <br />i <br />iff <br />i <br /> ar <br />rown <br />rown, some <br />o coarse s <br />u san <br />. <br />o <br />ne <br />s <br />one, p <br />ast <br />c, very st <br />, mo <br />s <br />12 <br />14 <br />--- <br />_- <br />16 3 NA 66-9 ] W CLAY (CL) <br />ith d <br />th <br />B <br />tr <br />d <br />t <br />l <br />tiff m <br />tiff <br />l <br />ti <br />i <br />t <br />i <br />i <br />fi <br />d <br /> very s <br />w <br />ep <br />. <br />rown, <br />ace san <br />s <br />one grave <br />, s <br />, p <br />as <br />c, mo <br />s <br />, <br />ncrease <br />n <br />ne san <br />18 <br /> a NA ]0-9-9 loo SANDYCLAY(CL) <br /> Brown <br />moderatel <br />lastic <br />tract sandstone fra <br />ver <br />stiff <br />moist <br />fine <br />rained sand <br />mets <br /> <br />22 y p <br />, <br />. <br />, <br />g <br />, <br />g <br />, <br />y <br />, <br /> Note: Encountered sandstone cobbles at 22 to 25 fee[. <br />24 <br />--- <br /> <br />26 5 NA ~-so loo CLAY(CL) <br />Brown <br />some fine sand <br />lastic <br />moist <br /> , <br />, <br />, p <br />28 Note: Refusal due to sandstone cobble. <br />3o <br />6 <br />NA <br />6-]0.14 <br />100 CLAY (CL <br />) <br /> B <br />o <br />k f <br />e <br />ts <br />stiff <br />lastic <br />moist <br />32 rown, <br />acc roc <br />ragm <br />n <br />, <br />, p <br />, <br /> Color change to gray at 31 feet. less plastic, medium gravel sized rock fragments, some mottling. <br />34 <br />Logged By: Pat Peterson Method: HSA ID(inches): 4.25 <br />Subcontractor: DA Smith Drilling Company <br />DrBler/ Operator: Roger ,~ <br />AMSL=Above mean sea level <br />