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<br /> NAPPER
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<br /> � — PAGE L OF -2
<br /> j�fi (j No. 3037
<br /> WESTERNGEO ENGINEERS q BORING: MW 8
<br /> OFCAof DATE DRILLED: 2-8-93
<br /> + ' SAMPLE INTERVAL
<br /> BOREHOLE LOG TWATER
<br /> PROJECT: GEOLOGIST: I 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' WI 8" AUGUR.
<br /> Zo LL CL
<br /> LL a l I J
<br /> _ -j3 0
<br /> CORE DESCRPTION REMARKS
<br /> Qr r'- a_
<br /> W m
<br /> © dCD
<br /> Concrete slab oncre e
<br /> Road Base: Aggregate base A.B.
<br /> wlsand 1 112' thick Y "`� 3 ppm while
<br /> 5' MM- 2.3,5 0mm drilling
<br /> s Sd: In, well srid,dry,no odo )
<br /> Silt &Clay: gry grn, stiff, no
<br /> 10' �- a1U3 ,4 ppm dry, lean (MLICL)
<br /> Sd: In, well srtd,dry,no odor!
<br /> Silt: med brn, dry, no odor w, vfn,lean easy drilling
<br /> 15 - 9LK i0 PPM w-ell sorted Sd (ML wt occ SW) '
<br /> I Sd: med-crs, pred. gtz,loosely consol.,
<br /> 20' prly sorted,beach-type, no odor, dry 0 ppm while
<br /> 20 Praia zFom (SP) drilling
<br /> Silt: med grn, mottled gry occ., wlvfn S �\
<br /> 25' mwa- 15,32 J n I Clay:lean, no odor, dry,medbrn (MLICL)
<br /> 25 4
<br /> 30 Sd: vin-silt, med brn clayrl i srtd
<br /> n�' � �6s>�
<br /> 30' dry, no odor (SP wI sme CH)
<br /> Sas-
<br /> , - -
<br /> 35' mwa_ 24 1�n Silt: med brn, dry, no odor,lean, `\
<br /> 35, 15W mottled grybrn-indurated claypan
<br /> (MLICL) \\.
<br /> 40'lMM- 29 !3=n Sd: vfn-Silt,med brn Fe siained,dr
<br /> 40 5ars ( no odor (SP) y \\\�,
<br /> 45' � _ �� EC ,, Sd: med, beach type, well sorted,
<br /> 145' 25 sme petroleum odor, dry, wht qtz (SW) 25 ppm while
<br /> drilling
<br /> Sd-Silt: vfn Sd, well sorted, dry, no
<br /> 50 MW8- 32 3Fpm odor to Fe stained-brn silt lean
<br /> 50' 5U6' 1 st water
<br /> (SW wI ML)
<br /> encountered @
<br /> v 55' mm- �, 0PPm Sd: wet, In, well sorted, mica prevalent - <:
<br /> 55', stand'ing
<br /> 55 water 50' 2!8!93
<br /> clay matrix--reddish (SW wl sme CL)
<br /> I
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