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D GE p�O
<br /> � Cis
<br /> JACK E. �
<br /> NAPPER
<br /> Y EWE No. 3037 PAGE _L_ OF 2,
<br /> WESTERN GEO ENGINEERS �Tq/'cW 8
<br /> OF cau4� DORS DRILL D 2-8-93
<br /> °
<br /> BOREHOLE LOG ' SAMPLE INTERVAL
<br /> ♦WATER
<br /> PROJECT: GEOLOGIST: SURFACE
<br /> USA PETROLEUM CORP. STA. 65 V. BENNETT ELEVATION:
<br /> LOCATION: DRILLER: TOTAL DEPTH:
<br /> 2500 W. LODI AVE., LODI, CA E. FORSSTROM 60'
<br /> DRILLING CONTRACTOR: DEPTH TO CASING:
<br /> WOODWARD DRILLING CO. WATER: 55' 2..
<br /> REMARKS: 8" HOLLOW STEM AUGUR POWERED BY MOBILE DRILLING RIG, B-57
<br /> 140# DROP HAMMER FOR SAMPLING, HAND AUGURED TO 5' W/ 8" AUGUR.
<br /> o } �o
<br /> LL Z LL U o
<br /> = J 3 o CORE DESCRPTION REMARKS
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<br /> Concrete slab Concrete.
<br /> Road Base: Aggregate base :?o'.1.r A.B.
<br /> 5' MW8- z,3,5 oppm wlsand 1 112' thick 3drilp ng while
<br /> 5 Sd: In, well srtd,dry,no odor (SW)
<br /> Silt &Clay: gry grn, stiff, no odor,
<br /> -� 1 O' MW8-811,13 0 ppm dry, lean (ML/CL)
<br /> A ;¢Y
<br /> Sd: In, well srtd,dry,no odor (SW) xgg
<br /> Silt: med brn, dry, no odor w. vin,lean easy drilling
<br /> 15' 8- 9,14, 0 ppm well sorted Sd (ML w1 occ SW)
<br /> ti
<br /> Sd: med-crs, pred. qtz,loosely consol.,
<br /> 20' Mw8- 7131s 2ppm prly sorted,beach-type, no odor, dry 0 ppm while
<br /> 20 (SP) ::`:< drilling
<br /> Silt: med grn, mottled gry o'j,
<br /> cc., wlvfn S
<br /> 2 MWS- 42. 1m'" Clay:lean, no odor, dry,medbrn (ML1CL)
<br /> 25'
<br /> 30' Sd: vfn-sill, med brn clay ,prlyl srtd ,
<br /> MW8- 27• 61n dry, no odor (SP wl sme CH)
<br /> 30' 5015"
<br /> Q'Cri�y^•y''
<br /> 35' _ Silt: med brn, dry, no odor,lean,
<br /> $pjtpan 5- mottled grybrn-indurated claypan
<br /> (ML/CL)
<br /> 40' Yt¢'
<br /> MWS- 29, 3ppm o
<br /> 140' 5016" Sd: vfn-Silt,med brn-Fe stained,dry,
<br /> no odor (SP) .s �..
<br /> 45' MW8- 2730 60 ppm Sd: med, beach type, well sorted,
<br /> 45' 25 sme petroleum odor, dry, whi qtz (SW) 25 ppm while
<br /> drilling
<br /> Sd-Silt: vfn Sd, well sorted, dry, no
<br /> 50' 50' 32,5W6. 3ppm odor to Fe stained-brn silt, lean
<br /> (SW w/ ML) 1st water
<br /> encountered @
<br /> 55' Mwe- �- 0pam Sd: wet, In, well sorted, mica prevalent :. 55', standing
<br /> 55' clay matrix--reddish (SW wl sme CL) water 50' 218193
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