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SAM30 USCS DESCRIPTION WELL <br /> DEPTH' NO. o P.I.D. CODE <br /> CONST. <br /> co <br /> 20 Silt some clay, light brown, sli ht€y damp, <br /> 20 S-20 46 ppmv ML hard, (orange staining, massive - <br /> 22 <br /> 24- <br /> S-25 36 pp4 Trace clay, brown, damp, (caliche laminations) <br /> 2fi <br /> 28 <br /> 30 S-30 65 Ppmv Slightly damp <br /> i <br /> 32- <br /> - 34- <br /> S-35 64 105 Fine-grained sand, (yellowish orange staining vertically and <br /> Ppmv horizontally) <br /> 36- <br /> _ 38 - <br /> - <br /> qC) S-40 70 26n0 Same sand trace clay, fine-grained sand, light brown <br /> 42 <br /> 44 <br /> S-45 >50 13rc0iv Trace clay, brown (orange staining) <br /> pp <br /> 46 <br /> 48 <br /> 50 PP <br /> S-50 >50 1 my <br /> (section continues downward) <br /> AW&'A,/AM LOG OF BORING: B-17/VW-8 PLATE <br /> ARCO Service Station No. 5100 <br /> 25775 South Patterson Pass 36 <br /> RLE NO <br /> PROJECT NO. 30041-2 004113146 Tracy, California <br />