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ALTON GEOSCIENCE PROJECT NO 42-0012 DATE DRILLED 3-2492 <br /> LOG OF EXPLORATORY } CLIENT Caltrans BORING <br /> NO <br /> BORING LOCATION 1604 South B Street, Stockton, California SB-1 <br /> LOGGED BY M Taylor APPROVED BY <br /> Page 2 of 2 <br /> FIELD SKETCH OF BORING LOCATION <br /> DRILLING METHOD Hollow Stem Auger HOLE DIAM 6" <br /> SEE FIGURE 2 SAMPLER TYPE Split spoon <br /> CASING DATA WA <br /> TOP OF CASING ELEVATION NIA DRILLER Westex <br /> S .� o DEPTH TO WATER -65' <br /> Lu S w DATE 3/24/92 <br /> pp C w 2 � <br /> D o Q ¢ a — v L0 TIME 10 55 AM <br /> m <br /> a- U) o c� a DESCRIPTION <br /> 38 ° <br /> 11,24,30 25 40 } <br /> nv SILTY SAND brown, moist, very dense <br /> 42 <br /> -44 <br /> t � <br /> 12 27 39 <br /> e , ?500 460 <br /> JS4 <br /> � M <br /> - 48 <br /> z <br /> 17,30,46 >500 50 <br /> a; <br /> 52 <br /> 54 e� i <br /> 17,33,43 X500 56 ` <br /> .rota° <br /> Lo i -----------------........,.----- <br /> . �,; SAND greenish brown, moist, dense, poorly-graded fine-grained <br /> 15,19,28 10 60 ° ;"� sand <br /> 62 y} SP <br /> 64 <br /> SAND greenish brown, wet, dense, poorly-graded fine-grained <br /> 15,19,24 20 S6sand <br /> 68 Borehole terminated at approximately 66-112 feet below grade <br />