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PROJECT: TRACY GRAVEL PITS <br /> Tracy, California Log of Boring No. GMX-28 (cont'd) <br /> SAMPLES 0 <br /> m H DESCRIPTION REMARKS <br /> o v z m o Up 0O w a NAME(USCS):color,moist, %by wt.,plast.density,structure, <br /> � m W cementation,react.w/HCI,geo. inter. <br /> SILTY SAND (SM): grayish brown (10YR 5/2), moist, 85%fine <br /> to medium sand, 15% nonplastic fines - <br /> 16— <br /> c6 <br /> N <br /> X <br /> U' <br /> 17- <br /> 18- <br /> - <br /> 7 18 — <br /> 19- <br /> 20— — <br /> 9 20 --------------------------------- — <br /> LEAN CLAY (CL): grayish brown (10YR 5/2), moist, 90% <br /> fines, 10%fine sand, low plasticity, hard - <br /> 21 - <br /> - --------------------------------- — <br /> SANDY LEAN CLAY(CL): grayish brown (10YR 5/2), moist, <br /> 22 65%fines, 35%fine to medium sand, low plasticity, hard - <br /> 23- <br /> 24- <br /> 25- <br /> 26- <br /> 3 24 25 26 POORLY GRADED SAND with CLAY(SP-SC) - <br /> POORLY GRADED SAND with CLAY(SP-SC) <br /> 728 --27- <br /> 28- <br /> ----------------------------------- <br /> - LEAN <br /> ------------------------------- <br /> LEAN CLAY (CL): grayish brown (10YR 5/2), moist, 90% _ <br /> fines, 10%fine sand, low plasticity,firm <br /> 29 — <br /> 30 — <br /> --------------------------------- — <br /> SANDY LEAN CLAY(CL): grayish brown (10YR 5/2), moist, <br /> 31 70%fines, 30%fine sand, low plasticity,firm - <br /> 0 <br /> 0 <br /> 32 --------------------------------- - <br /> POORLY GRADED GRAVEL with SILT and SAND (GP-GM): <br /> grayish brown (10YR 5/2), moist, 75%fine to coarse gravel, - <br /> 33 15%fine to coarse sand, 10% nonplastic fines <br /> OAKBOREV(REV.3/00) <br /> Geomatrix Consultants Project No.7066.001 Page 2 of 3 <br />