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ALTON GEOSCIENCE PROJECT NO. 42-nn12 DATE DRILLED 3-24-92 <br /> I_OG OF EXPLORATORY CLIENT— Caftrans BORING <br /> NO. <br /> 30RINGLOCATION 1604 South..B Street, Stockton, California SB-2 <br /> •::: LOGGED BY M. Taylor APPROVED BY____ <br /> 1 Page I of 2 <br /> FIELD SKETCH OF BORING LOCATION <br /> DRILLING METHOD Hollow Stem Auger HOLE DIAM. 6' <br /> 1 SEE FIGURE 2 SAMPLER TYPE Split spoon <br /> CASING DATA N/A <br /> TOP OF CASING ELEVATION WA DRILLER Westex <br /> _ DEPTH TO WATER -66' <br /> o` <br /> _71 <br /> w v w w DATE 3/24/92 <br /> p a a Es W u- TIME 3:35 PM <br /> o <br /> g a – c U O <br /> m r CL cn o v DESCRIPTION <br /> 4„ <br /> 2 ., <br /> %:•YAi.:vi: <br /> 4 <br /> 17 34,38 0 :>,:, s•>::. SILTY SAND: brown, moist, very dense. <br /> 1 6 :`•. <br /> 8 <br /> h .< SM <br /> - 10 <br /> 117,35,500 <br /> a.s ?cTT <br /> for 4' <br /> SILTY SAND: brown, dry, very dense. <br /> _ 12 :: <br /> !w <br /> 14 « <br /> -----------.__--_ --.__._.-- <br /> 21,47,50 0 16 <br /> 1 for 1' SP <br /> SAND: brown, moist, very dense; poorly-graded fine-grained <br /> 18 "�2 ? <br /> >: sand. <br /> 20 <br /> 20,20,16 <br /> 22 <br /> SANDY CLAY: gray-brown, moist, hard. <br /> 72 <br /> ML <br /> 24 <br /> >> <br /> 1 . :., . <br /> ' 26 ;>:� ;-<:; CLAYEY SAND: gray, moist, medium dense. <br /> 28 CLAYEY SAND with fine gravel: brown, moist, medium dense. <br /> (15,25,34 0 Sc <br /> SC <br /> 32 <br /> - 34 <br /> : <br /> 5,9,11 0 SILTY SAND: brown, moist, medium dense. <br /> 36 <br /> >:aY _ <br />