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Totsl depth of horinge 54 r't. Dlamater of porfngr 6 in, Date drillo& 8/24/89 <br /> Caning dlemrter. 2 In. _ Length, 24 Ft. Slot size, 0.020 <br /> Screen diamotori 2 in. Lengths 30 ft, Materlri types PVC <br /> Drilling Companym Septrum Er.ploratlon,Inc. crulare Ted & John _ <br /> Mothod Usedi Continuous Coring 1=1 ! I a logistl Greg Gurss <br /> Slglrturo of Registered Profeselonalr <br /> Raglstratlon No.e 4 313 stem Cali . <br /> SAMPLE � USCS DESCRIPTION WELL <br /> DEPTH NO. pJ.D. CODE CDFtS7. <br /> r <br /> p ' Road base. •• <br /> 0 CH Clay, block, moist, high plasticity. <br /> ►+ 2 DPM <br /> trace gravel. <br /> 4ML Silt, trace fine-grained sand, dark brown, i <br /> slightly damp, slight plasticity. .I <br /> 0 <br /> w� 6 ppm moist, medium plasticity, laminae of fine sand <br /> varves. <br /> 8 - <br /> 10- <br /> 12- <br /> 10 1 0 light olive-gray, damp, slight plasticity. <br /> Ppm <br /> 14 <br /> g Sandy silt, Fine-grained sand, light olive-gray, i <br /> 0 SNl damo, slight plasticlt <br /> 1P ppm SP Sand, some sift, moderate olive-brown, damp. + <br /> 20 SM Sandy stlt, fine-grained sand, light olive-gray, <br /> damp, slight plasticity. <br /> (section continues downward) <br /> LOO OF BORINL; B-4/MW-4 PLATE <br /> Former Unocal Service station No. 2859 P-6 <br /> ,e.pPl7ad ceosrerdme - 1665 Pacific Avenue <br /> PROJECT NO. 38012••5 Stockton, California <br /> i,. <br />