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Total depth of bodro 50 1/2 ft Diameter of boring, 10 25 in Date drilled 3/10/82 <br /> Casing diarneterr 4 in Lengths 24 ft Slot slzsa 0 100 <br /> Screen diameter, 4 in Length. 25 ft Materhd types PVC <br /> Drilling Companys westex Drilling Co Driers Tony, Ken _ <br /> Method US" Hollow—stem Auger Field Geologists Richard Alden <br /> Signature of Registered Professionals <br /> Registration Noe 4313 S tee Calif <br /> DEPTH SAMPLE o P.LD. USCS DESCRIPTION WELL <br /> NO. CODE CONST. <br /> 0 <br /> 0.2,5 ft. of a5phalt over 0.2,� ft, aggrervn�p- <br /> .. <br /> 2 CL Clay, olive gray, slightly damp, medium plasticity <br /> (some traces of fill material, pea gravel) <br /> 4 ; <br /> 6 S-6 41 N/A ML Silt, moderate yellowish brown, slightly damp, hard <br /> - 10 - <br /> S-11 <br /> 0S-11 27 N/A Silt, as at 5 ft , very stiff <br /> 12 <br /> 14 <br /> 16 S-16 M 40 N/A Silt, as at 5 ft , hard <br /> 1$ <br /> 20 <br /> S-21 45 N/A Silt, moderate yellowish brown, slightly damp, hard <br /> I <br /> (section continues downward) <br /> LOG OF BORING. 13-13/VW-4 PLATE <br /> � <br /> S�, wAviWArma Unocal Service Station No. 6981 <br /> 4707 Pacifle Avenue <br /> PROJECT NO. 38032 8032G11A Stockton, California <br />