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ALTON GEOSCIENCE PROJECT NO 42-0012 DATE DRILLED 3-25-92 <br /> LOG OF EXPLORATORY fr, CLIENT Caltrans WELL NO <br /> BORING �, LOCATION 1604 South B Street Stockton, California MW-2 <br /> LOGGED BY M Taylor APPROVED BY____ <br /> Page 3 of 3 <br /> FIELD SKETCH OF BORING LOCATION <br /> DRILLING METHOD Hollow Stem Auger HOLE D]AM 10" <br /> SEE FIGURE 2 SAMPLER TYPE _SPL-spoon <br /> CASING DATA 4" Sch 40 PVC <br /> TOP OF CASING ELEVATION 21.4- DRILLER Westex <br /> cc c _ a DEPTH TO WATER -68' 66 17' <br /> LU <br /> 1- E J -- J DATE 3/25/92 4/6/92 <br /> g n- ��- M TIME 9 39 AM 11 45 AM <br /> o � Q L � 0 U 0 <br /> J , a vat a U CL DESCRIPTION <br /> 72 <br /> SM <br /> 2,4,1 74 SAND brown, wet, dense, poorly-graded fine-grained sand <br /> SANDY GRAVEL brown, wet, loose <br /> 76 End Cap P tJ�J <br /> ]yTy <br /> 4,9,11 78 ----,.--.�.�----------------- <br /> SM SILTY SAND brown, wet, medium dense <br /> SD <br /> Borehole terminated at approximately 79-1/2 feet below grade <br />