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• <br /> <br /> <br />Boring Log: 28+00 <br />Project: West Elk Mine SurjaceElevafion(/eetAMSL*): ~ <br />Project No.: 500002 Tots! Depth (jeer): 31.5 <br />Location: Somerset, Colorado Borehole Diameter (inches): 8 ENVIRONMINTAL <br />Completion Datc Mazch 19, 2003 STRATEGIES <br />Sample Data Subsurface Profile <br /> m E <br /> i <br />°' a <br />a <br />~' <br /> ~ e <br />e e m Description <br /> U N o <br />a G <br />E Q <br />q o a <br />d <br />q <br />r4 <br />C. <br />oa <br />a <br />.7 <br /> Ground Surface <br />0 <br /> S/LTY CLAY (CL) <br /> Brown, plastic, moist <br />2 <br /> NA Auger <br />4 <br />6 1 NA s-6-~ ]oo CLAYEY SILT (ML) <br />ht b <br />w <br />some fine sand and bl <br />i <br />s <br />dsto <br />e fr <br />nt <br />tiff <br />l <br />stic <br />Li <br />k <br />t 5 t <br />6 f <br /> n, <br />ac <br />organ <br />cs, <br />an <br />n <br />agme <br />, non-p <br />a <br />, <br />g <br />ro <br />s a <br />o <br />ees s <br /> moISL <br />g <br /> Shelby tube at 10 to 12 feel <br />10 <br /> 2 NA S.T. 100 <br />12 <br />14 <br />]6 3 NA 8-6-11 100 SANDYCLAY(CL)(Possib(yWeatheredSandstoneorClaystoue) <br />i <br />and <br />Li <br />ht b <br />fi <br />d <br />th <br />d <br />d <br />t <br />fi <br />t <br />[ <br />bbl <br />ilt <br />tr <br />fi <br /> rown, <br />ne <br />g <br />ne gra <br />ne <br />s <br />, Some wea <br />ere <br />san <br />s <br />one <br />agmen <br />es, some s <br />, <br />ace <br />s <br />o co <br /> gravel, plastic, very stiff, moist <br />18 <br />zo <br />4 <br />NA <br />3-3-6 <br />10D SILTY CLAY CL Possibl WeatheredCla stone <br />( ) ( Y 3' ) <br />w <br />ht brown <br />some fine <br />ba <br />ular fine <br />rovel <br />tra <br />stiff <br />lastic <br />B <br />to li <br />d <br />d s <br />bl <br />k <br />i <br />s <br /> <br />22 , <br />, <br />, <br />ro <br />n <br />g <br />san <br />an <br />u <br />ng <br />g <br />ce <br />ac <br />organ <br />c <br />, <br />, p <br />moist <br />24 <br /> 5 NA 3-5-4 too SILTYCLAY(CL) (Possibly Weathered Claystane) <br />zb w <br />me fine <br />and and lar <br />e <br />av <br />l <br />little fine <br />rovel <br />ani <br />lastic <br />stiff <br />B <br />d <br />t <br />d bl <br />k <br /> g <br />, <br />g <br />, <br />, <br />ro <br />n, so <br />s <br />san <br />s <br />one g <br />e <br />an <br />ac <br />org <br />cs, p <br /> moist <br />28 <br />3o SILT (ML) -WEATHERED SHALE <br /> 6 NA 5-10-2] ]00 <br />l <br />ti <br />l <br />i <br />b <br />ddi <br />h <br />d <br />hi <br />hl <br />N <br />d <br />h <br />l <br />t <br />G <br />i <br /> nar <br />y wea <br />ray, non-p <br />as <br />c, <br />am <br />e <br />ng, <br />ar <br />, <br />g <br />ere <br />s <br />a <br />e, mo <br />s <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 />