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BOREHOLE LOG -BOREHOLE #3 (BJ~#03) <br />BOREHOLE LOCATION: Southwest gob footprint DRILLER: Scott McCracken <br />I SURFACE ELEVATION: DRILL RIG: Simco 280AJiS <br />NOTES: Approximately 39.43951 N, 108.77744 W DRILL STEM: 4' Solid~fem continuous flight auger <br />,---, , SAMPLER: 2' LD. California split spoon <br />5 <br />~0 <br />15 <br />20 <br />25 <br />30 <br />35 <br />40 <br />45 <br />50 <br /> <br /> W = tl O W <br /> ' ~ ~ ~ ~ ~ ~ 2 <br />~' _ <br />a j <br />~ W <br />~ ty <br />a O <br />m ~ <br />~ ~ <br />o W <br />~ <br />Z <br /> <br />o <br />c~ <br />3 ~ <br />v5 <br />~ 1- <br />y <br />~ U <br />~ <br /> <br />a; ::~ a <br /> r: .h <br /> ~.~ u <br /> .cr <br />•~: <br /> ` <br />~~ 1B <br /> ;...• <br />, cslz so 34 <br /> " <br />~i• 14 <br /> :. f ~jt' <br />s <br /> i <br />, <br /> ~~ B <br /> ~ GY73 37 <br /> <br /> _ 16 <br /> :. <br /> <.. <br />n <br /> . ~ <br /> ' ~ <br />~ GS14 ~ ?0 <br />V J I ~ G515I ~ 123 <br />SUBSURFACE DESCRIPTION <br />dry to damp, dense moderafe yellowish brown, <br />well-graded SAND, very weakly cemenfed <br />dry to damp, dense moderate }el%wish drown, <br />well-graded SAND, very weakly cemented <br />considerable slough in ho% drive 12" only <br />damp, moderately dense moderate yellowish brown, <br />sAty floe SAND, possibly -rery weakly cemented <br />considerable slough in hole drive 12" only <br />damp, moderately dense moderate yel%~5 brown, <br />silty fine SAND, possibly very weak/y cemented <br />rodsy below 24.0' <br />boulder ®24.0-26.0' <br />dri7/er cannot dean cuttJngs from h% evert with added <br />wafer <br />3' slough at 30; no split spoon sample .attempted <br />no groundwater encountered during drr7/lny <br />end of boreho% ®l30.0' <br />FIELD & LABORATORY <br />7ESTRESULTS <br />GS15 (LY) <br />LL=23 PL=15 P1=8 <br />GF-0.5% <br />SF=3S 0% <br />F200=61.5% <br />MC=6.5% <br />s SPT N-wlues not corrected for energy or depth; strafigraphic transitions are approximate and are fnferred lrom cutfings r# dn7/ers comments <br />BOREHOLE /NVFSncanoN BRe M <br />CLANE CA <br /> <br />LOG <br /> <br />DRAFTING CH c <br />NYON M/NE GEOTECH <br /> <br />`3 <br />FIELD DATE 9 27 07 GOB PILE Cin1. So-uauial, and Geotechnical Engineers, Ina <br />zn south aadcmanna <br /> <br />OF 6 <br />/OB NO. 07-334-GEO GARFIELD COUNTY, COLORADO Monaoaa• c~,ado sr4ot <br />Phone (9 701 249-6829 Fax (9 701 249-0945 <br />