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ALTON GEOSCIENCE PROJECT NO 42-0012 DATE DRILLED 3-26-92 <br /> LOG OF EXPLORATORY a CLIENT Caltrans WELL NO <br /> BORING LocArtoN w 1604 South B Street, Stockton, Califomla MW-1 <br /> LOGGED BY M Taylor APPROVED BY <br /> Page 2 of 3 <br /> FIELD SKETCH OF BORING LOCATION <br /> DRILLING METHOD Hollow Stem Auger MOLE DIAM 10" <br /> SEE FIGURE 2 SAMPLER TYPE Continuous Core <br /> CASING DATA 4"Sch 40 PVC <br /> TOP OF CASING ELEVATION 21,22.' DRILLER Westex <br /> � C � <br /> DEPTH TO WATER "67" 65 96' <br /> LU <br /> >— w t w DATE 3126192 416192 <br /> � Up a _ y o7 ur TIME 5 08 PM 11 30 AM <br /> o ¢ wcan 0 <br /> m r a N a = o_ DESCRIPTION <br /> 38 CL SILTY CLAY reddish brown, moist <br /> �s --------... ---------._ ---r....--- <br /> 50 <br /> 40 SILTY SAND brown, moist <br /> 3 <br /> 42 SILTY SAND brown with white streaks, moist <br /> >500 M <br /> -44 <br /> A <br /> >500 a <br /> SS <br /> 250 46 ' ------------------------------"^ <br />• 48 4, CL SILTY CLAY with fine sand greenish brown, moist <br /> 150 50 —..._— ---_. ------------------ <br /> CLAYEY SAND brown, most <br /> 52 Sc <br /> $A4 <br /> 54>500 SILTY SAND brown, moist <br /> 56 >r M <br /> ? ter�....----��----�r----�w���---rte-�. <br /> 58 -- -- <br /> SAND brown, moist, poorly-graded fine-grained sand <br /> 15060 <br /> SP <br /> 62 4"dram Ty? <br /> Sch 40 <br /> 7y9 <br /> 64 PVC <br /> --110 0020" �y� -------------------- —� <br /> 66 slottin — *0 — <br /> e� <br /> 25 68 GP ` SANDY GRAVEL.(medium-grained sand) brown, wet <br /> 70 *�' ----------------- --------------- <br />