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Boring Log: 1 S+DO <br />• <br />• <br />Project: West Elk Mine <br />Project No.: 500002 <br />Location: Somerset, Colorado <br />Date: March 18, 2003 <br />Surjaee Elevation (feet AMSL °): <br />Total Depth (feet): 31.5 <br />Borehole Diameter (inches): 8 <br />ENVIRONMENTAL <br />STRATEGIES <br />Sample Data Subsurface Profde <br /> w 8 <br /> <br />d a <br />a <br />.+ <br />L <br /> ~ e e ~ Description <br /> c O U u o <br />a E \ <br />A o w' s <br />A m ri w a <br /> Ground Surface <br />0 GRAVELLYCLAY (CL) <br /> Brown, Sandstone fragments, moirt. <br />2 <br /> NA Auga <br />4 <br />c 1 NA 2-n-I loo ~.~ <br />R SANDSTONE COBBLES <br />ed wbbles <br />li <br />ht brown <br />mat <br />moist <br />Fi <br />ai <br />ilU <br />l <br />ix <br /> <br />~.Q , <br />g <br />. <br />ne gr <br />n <br />s <br />c <br />ay <br />r <br />, <br />8 <br /> Q~ <br />l o <br />2 <br />NA <br />2-12-2 <br />100 ~ ~ ~ ~ - <br />~~~=;~r SlTLY FINE SAND (SP) <br /> <br />t <br />ht b <br />40% <br />d <br />bbl <br />l <br />l <br />ti <br />d <br />Li <br />d <br />i <br />t t <br />d <br /> <br />12 _ <br />_ rowq <br />san <br />s <br />one w <br />es an <br />grave <br />, non-p <br />as <br />c, <br />ense, mo <br />g <br />s <br />o <br />ry. <br /> ': J.Yy. <br /> ''.'!: . <br /> <br />t6 3 NA 5-8-11 100 CLAY(CL) <br />t <br />edium <br />iz <br />ht <br />fi <br />d <br />ds <br />l <br />fi <br />d <br />d <br />ilt <br />tiff <br />li <br />B <br /> gray <br />rown, some <br />ne <br />o m <br />s <br />e <br />san <br />onc grave <br />, some <br />ne san <br />an <br />, very s <br />, s <br />g <br />s <br /> mottling, moist. <br />18 <br />20 <br />4 <br />NA <br />6-8d l <br />100 CLAY (CL) -- - <br /> <br />own to <br />some fine to meditnn sized suban <br />ular <br />ravel <br />decrea <br />a <br />ount of sandstone <br />B <br />re <br />i <br />22 g <br />g <br />, <br />r <br />g <br />y, <br />se <br />n <br />m <br />fragments, some silt and fine sand, plastic, very stiff, moist. <br />24 <br />26 5 NA 5-7-10 100 CLAY(CL) <br />ve <br />stiff <br />Bmwn <br />cohesive <br />some fine mood to suban <br />ular <br />ravel <br />few sandstone fm <br />ments <br />lastic <br /> , <br />g <br />, <br />, <br />ry <br />, <br />, <br />g <br />g <br />, p <br /> moist <br />28 <br />3u <br />6 <br />NA <br />7-23-1 <br />1W CLAYEY-SILT (AFL) -WEATHERED SHALE <br /> hate black or <br />lastic <br />bouldw at 31 <br />5 fee[ <br />a <br />laminar beddin <br />anic-filled fractures <br />non- <br />hard <br />d <br />G <br /> . <br />. <br />r <br />y, <br />g, <br />g <br />, <br />p <br />, <br />, <br />ry, <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 />AMSZ=Above mean sea level <br />