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i <br /> wrr E BORING NUMBER : B15 DRILL RIG /METHOD: <br /> a; a am N a 0. 0 DATE DRILLED; 3/15/93 Mobile B-61/ 4 -Inch <br /> W 0 M MM o ¢ 0 < LOGGED BY: MW Hollow Stem Auger <br /> rnz in o SOIL DESCRIPTION AND REMARKS <br /> 0 SM Brown , slightly moist , firm, silty fine to medium sand <br /> SV <br /> 5 p ML Brown, slightly moist , hard , fine sandy silt <br /> p 815-1I 55 ND <br /> 10 p SP Brown, slightly moist , dense , silty fine to Medium sand <br /> p <br /> p 815-2I 21 ND <br /> p decrease in medium sand <br /> 15 pI d Irust mottling <br /> p B15-3I 31 ND <br /> ML Brown , slg(`gTUy molst , modera' ely stiTf , fine sandy silt <br /> 20 Q trace odor <br /> 13 815-4I 64 72 <br /> dark gray , very hard <br /> drilling eased up below 23 ' <br /> 25 p SP Grayish brown, damp, very dense , silty fine to medium sand <br /> p <br /> p 815-5I 43 110 <br /> 30 <br /> SOIL <br /> GRANITE BORING <br /> ST ULOG <br /> 088 .03 <br /> CONSTRUCTION DATE : 4 / 9 <br /> WALLACE • KUHL & ASSOCIATES, INC. <br /> GEOLOGIC ENVIRONMENTAL SERVICES French Camp , California PLATE N0 : 18 <br /> & <br />