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BOREHOLE LOG -BOREHOLE #4 (BH#04) <br />BOREHOLE LOCATION: Northwest gob footprint DRILLER: Scott McCracken <br />DRILL RIG: Slmco 2800HS <br />SURFACE ELEVATION: DRILL STEM: 4' Solid~m continuous flight auger <br />NOTES: Approximately 39.43987 N, 180.77698 W SAMPLER: 2' l.D. Califwnia split spoon <br /> tS <br />i <br />~ <br />FIELD & LABORATORY <br /> ~ ~ €. ~ ? SUBSURFACE DESCRIPTION TEST RESULTS <br /> <br /> ~ ~ ~ <br /> <br />0 <br />• :.,. :: <br /> moderate yellowish <br />moderately dense <br />dam <br />t <br />d <br />5 6 , <br />p, <br />o <br />ry <br /> csfs ~ 13 brown silty SAND, trace day <br /> <br />10 GS17 4 16 dry to damp, moderately dense moderate .yellowish <br />B brown silty SAND, trace day <br />8 <br /> ~ ., •- <br />~sj$ (SC-SXI <br /> L-/7 P/=5 <br />15 - [fie 9 31 dry to damp, dense moderate }ellowish brown silty ~ 14 7X <br /> trace day <br />SAND <br /> ~ , ~ 4,5.4X <br /> <br />~~ extremely weak conglomeratic sandstone rwbb/e In shoe F200=39.9X <br /> `' ~ MC=4.6X <br /> <br />20 _ C~19 ~ 27 dry to damp, moderately dense, moderate !yellowish <br /> <br />` ~ '~ trace day <br />brown silty SAND <br />~ . .l :~ 17 , <br />25 • `• " difficult to dean cuttings from hole <br /> <br /> ' <br />30 ~ <br />R GS2o ~ ~ damp, dense, moderate yellowish brown gravelly SAND, <br /> <br />~ litt/e sdt possible very weakly cemented conglomerotTc <br /> ;Q. ;,; : f3 sandstone <br /> <br />35 °•''' ` <br />°' ~ no groundwater encountered <br />' <br /> :a : auger refusal X36 <br />40 <br />45 <br />50 ' <br />• SPT N values not corrected for energy or depth' stratigrophic transitions are approximate and ore inferred from cuttings Qc dn7lers comments <br />I BOREHOLE lNVESncanoN BRB McCLANE CANYON M/NE • GEOTECH <br />LOG • <br />DRAFTING CH <br />GOB PILE ~i sw~nrul, end Geotechnicat Engineers, inc. <br />4 FlELD DATE 9 27 07 Montrose, cdorado a 4ot <br />GARFIELD COUNTY, COLORADO Phone (970) 249.6828 Fax (970) 249.0945 <br />OF 6 .~R No 07-334-GEO <br />