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SGeoStrategces, Inc, Log of Boring B-7 <br />• PROJECT 8P Oil Station No 11191 LOCATION 1469 East Hammer Lane, Stockton, CA <br /> w <br /> M <br /> x o cn <br /> z J N <br /> s a ILL w w " GEOLOGIC DESCRIPTION REMARKS <br /> X d a CL W <br /> 4 N Q O Q <br /> O w 4 m fn cn C7 In <br /> 23 <br /> O/g' B7-38 M SAND WITH SILT (SP-SM) - dark yellowish brown <br /> (10 YR 4/6), very dense, damp, 85-90% fine sand, <br /> 10-15% silt <br /> 40 20 <br /> 0 0/8BT-41 <br /> Color change to olive gray (2 5 Y 4/4), fine sand <br /> increasing to 90-95%, silt decreasing to 5-10% <br /> SP <br /> 45 8 SAND (SP) - light brownish gray (2 5 Y 8/2), medium <br /> 0 12 8T-46 5 ML dense, moist, 100% fine to medium sand <br /> 18 SILTY SAND (ML) - very dark grayish brown (2 5 Y <br /> 3/2), very stiff, moist, 70-80% silt, 20-30% fine <br /> st sand <br /> SM SAND WITH SILT (SP-SM) - very dark grayish <br /> brown (2 5 Y 3/2), dense to very dense, moist, <br /> 50 85-90% fine to medium sand, 10-15% silt, sand <br /> 12 Increasing to 90% with depth <br /> 0 30 B7-515 <br /> Bottom of boring = 515 feet <br /> 2/2/85 <br /> 55 <br /> 60- <br /> 65- <br /> 70- <br /> 175 <br /> 065l075 <br /> JOB NUMBER 4300 701 Page 2 of 2 <br />