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• <br /> Field Exploratory Boring Log SB-4 <br /> Blows/ Sample Well Depth Soil Group Materials Description <br /> 6" Number Construction (ft) (USCS) <br /> Asphalt& Base rock 0 to 0 5' <br /> Silt(ML) <br /> Olive Brown (2 5Y 4/4), moist,70% silt, 10% clay, <br /> 20% fine sand <br /> 5 00 SB-4-6 @ 5' as above,moist <br /> 00 SB 4-I1 10 - <br /> @ 10' as above, moist,60% silt, 35% clay, 5% fine sand <br /> 15 @ 15' as above, moist, 55% silt,40%clay, 5% fine sand <br /> 0 0 SB-1-16 <br /> Clay (CL) <br /> 20_ Olive gray(5Y 512),moist, low plasticity, 60%clay, 30% silt, <br /> 00 SB-4-21 10% fine sand <br /> 25 <br /> @ 25' as above, moist,alive gray (5Y 4/2), 70%clay, 30%silt <br /> — <br /> 30 513426 <br /> Q <br /> 0 SB-4-31 30 -0 @ 30' as above, moist Total depth of boring=31 ft <br /> BORING SHELL OIL PRODUCTS COMPANY Borehole Diameter 2 inches n f • <br /> Shell Service Station Logged by J Neely G n r iro5 <br /> SB�� Driller Gregg Drilling <br /> 1J 1267 Country Club Boulevard 97407 <br /> Stockton, California Date Started 4-Apr-97 <br /> Date Completed 4-Apr-97 <br />