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C~ <br /> <br />• <br />Boringlog.• 23+DD <br />Project: West Elk Mine Surface Elevation (feet AMSL *): <br />Project No.: 500002 Total Depth (feet): 31.5 <br />Location: Somerset, Colorado Borehole Diameter ruches): 8 ENVIRONNIFNTAL <br />Completion Date: Mazch 19, 2003 STRATEGIES <br />Sample Data Subsurface Profile <br /> a E <br /> m ~' i <br /> ~ e <br />c o ~ Description <br />r o. C V v o <br />u E A o ~' _.. <br />A rn . Pw m o .] <br /> Ground Surface <br />0 <br /> CLAY (CL) <br /> Dark grey, some fine [o medium sited grevel, plastic, so$ wet <br />2 <br /> NA Augtt Note: Decayed wood at 6 to 6.5 feel <br />4 <br />g I NA 2-1-1 100 <br />8 <br />l0 <br /> <br />2 <br />NA <br />3-5-12 <br />100 CLAY (CL <br />) <br /> B <br />b <br />ilt <br />t <br />di <br />ti <br />fi <br />d <br />d <br />fi <br />l <br />ft t <br />iff <br />l <br />i <br />t <br />12 r <br />wn, some <br />an <br />s <br />, <br />race <br />ne greve <br />, me <br />um so <br />ne san <br />o st <br />, p <br />az <br />c, mo <br />s <br /> Note: Sandstone cobble at 6 feet <br />14 <br />_ <br />tc 3 xA za-5 too SILTYCLAY(CL) '------ --- <br />B <br />t <br />tr <br />f <br />d <br />tiff <br />l <br />ti <br />i <br />t <br /> rown <br />o gray, <br />ace <br />ine san <br />, s <br />as <br />c, mo <br />s <br />. <br />, p <br />1 B Note: Color change to brown at ] 6,5 feet with some fine gravel. <br />20 <br />a <br />NA <br />t-t-t <br />ton ----- <br />SANDYCLAY(CL) <br /> Brown <br />fine <br />i <br />d s <br />d trace fin <br />vel <br />soft <br />lastic <br />t t <br />t <br />i <br />22 gra <br />, <br />ne <br />an <br />e gra <br />, <br />, p <br />, mo <br />o we <br />s <br />24 <br />- <br />z6 5 NA sa-to too S[TLYCLAY(CL) <br />Brown <br />some f <br />e <br />a <br />d <br />trace fine <br />l and sandstone fi <br />r <br />v <br />stiff <br />i <br />t <br /> , <br />in <br />s <br />n <br />, <br />greve <br />agmen <br />ery <br />, mo <br />. <br />s, <br />s <br />28 Note: Sandstone cobble at 31.5. <br />30 <br /> 6 NA 1]fi-10 100 <br />-- - <br />32 <br />34 <br />Logged By: Pat Peterson Method: HSA ID(incbes): 4.25 <br />Subcontractor: DA Smith Drilling Company <br />Drifter/Operator: Roger - ,~ <br />AMSL=Above mean sea level <br />