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Conestoga-Rovers & Associates BORINGMELL LOG <br /> = 19449 Riverside Drive, Suite 230 <br /> (�� Sonoma , CA 95476 <br /> Telephone: 707-935-4850 <br /> Fax: 707-935-6649 <br /> CLIENT NAME Shell Oil Products US BORING/WELL NAME MW-13B <br /> JOB/SITE NAME Former Shell Pipeline DRILLING STARTED 27-Jul-11 <br /> LOCATION Cordes Ranch, Tracy, California DRILLING COMPLETED 29-Jul-11 <br /> Continued from Previous Page <br /> O) F U ~ rn <br /> a O j a F W NKO SOIL DESCRIPTION Z ? WELL DIAGRAM <br /> L m0 ¢ U0W <br /> U) O <br /> 40 40.0 <br /> Silty SAND ISM) ; yellowish brown (10YR 5/4); wet; 40% <br /> sMsilt, 60% fine sand. <br /> 42.0 <br /> SILT (ML) ; yellowish brown (10YR 5/4); wet; 25% clay, <br /> ML 75% silt. <br /> 44.0 <br /> Silty SAND ISM) ; light olive brown (2.5Y 5/4); wet; 15% <br /> 45 sM silt, 85% fine sand. <br /> 46.5 <br /> SAND (SP) ; olive brown (2.5Y 4/3); wet; 5% silt, 95% <br /> medium sand. <br /> 50 sP <br /> % Portland Type II <br /> 53.0 <br /> SILT IML) ; light olive brown (2.5Y 5/4); wet; 30% clay, <br /> 70% sill. Interbedded with Silty SAND ISM) light olive <br /> 55 brown (2.5Y 5/4); wet; 30% silt, 70% fine sand . <br /> i? @ 57.6-57.8' - SAND (SP) ; light olive brown (2.5Y 5/4); <br /> wet; 100% medium sand. <br /> 'a <br /> 60 <br /> ML <br /> z <br /> 65 <br /> N 69.0 <br /> g Silty SAND (SM) : light olive brown (2.5Y 5/4); wet; 10% <br /> rc 70 clay, 20% silt, 70% fine sand. Interbedded with SILT <br /> sM (ML) ; light olive brown (2.5Y 5/4); wet; 25% clay, 75% <br /> silt. <br /> 72.5 <br /> SILT (MLI ; light olive brown (2.5Y 5/4); wet; 40% clay, <br /> 60% silt. <br /> 0 <br /> 0 75 <br /> Continued Next Page PAGE 2 OF 4 <br />