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1 <br /> 1 Total depth of bonus 40 ft. Diameter of boring, d in- Data drilled. 10/21/91 <br /> Casing diameters N/A _ Lengths N/A Slot alzq, N/A <br /> Screen diameters N/A Lengths N/A Material types NIA <br /> Drlping Company, westex Dril ors Chris & Tim <br /> Method Useds Hollow—stern Auger Field Geologists Claudio <br /> ' Signature of Registered Professionals <br /> Registration No., 4313 States Calif. <br /> ' SAMPLE I USCS I WELL <br /> DEPTH NO. I � P'LD•l COLE I DESCRIPTION CONST.1 <br /> 1 Q Aspnai t. <br /> i <br /> 0 Sandy silt. rne-gscmed sand, light brown, slightly camp, <br /> S-5 . 1 M <br /> ppmv i very stiff. <br /> 6 <br /> ' S-10 41 0 loll Silt some c:oy. �;y'1t brown. slightly damn, very surf. <br /> 10 ppmv ••I <br /> 12 I <br /> t14 • ... <br /> S-15 55 0 I 5u Silty sand, fine- -o coarse-grained sand, light brown. <br /> ppmv ; slightly aamo, very dense. <br /> 5-20 38 D I ML Silt trace clay an-3 fine—grained sand, light brown, <br /> 20 ppmv I slightly damp, ncrd. <br /> (section continues downward) <br /> AKM"AWvs LOG OF BORING: B-12 PLATE <br /> "A/'VArM ARCO Service Station No. 548 <br /> 1612 Hammer Lane 20 <br /> PROJECT NO. 3aao4-4 Fl "° Stockton, California <br /> ' 0004011A <br />