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Im <br />LUG OF EXPLORATORY BORING <br />PROJECT NUMBER 939-02.06 BORING NO. G-1 <br />PROJECT NAME S.J. County Landfill Development Site PAGE 5 OF 9 <br />BY BAB DATE 6/22-23/87 SURFACE ELEV. 117.07 <br />continued). <br />SANDY SILT, pale brown (10YR, 6/3); <br />20-25% very fine- to medium -grained <br />sand; very clayey; slightly damp. <br />SILT, brown (10YR, 5/3); 15-20% very <br />9 fine- to medium -grained sand; trace <br />iron oxide grain coatings; damp to <br />moist. <br />95 <br />M71@95': 15-20% very fine-grained sand; <br />drier. <br />Increasingly sandy. <br />SANDY SILT, dark brown (10YR, 4/3); 35- <br />40% very fine- to predominantly <br />medium -grained sand; slightly clayey; <br />sand composition approximately 55% <br />lithic; 40% quartz; 5% mafic min- <br />erals; moist. <br />PLATE A-19 <br />POCKETPENETRA- <br />LITHO- <br />TORVANE <br />PENETRO- <br />TION <br />a a <br />2 <br />y <br />J GRAPHIC DESCRIPTION <br />METER <br />j <br />a <br />(®Ft) / <br />3 _ <br />H COLUMN <br />(TSF) <br />(TSF) <br />® <br />continued). <br />SANDY SILT, pale brown (10YR, 6/3); <br />20-25% very fine- to medium -grained <br />sand; very clayey; slightly damp. <br />SILT, brown (10YR, 5/3); 15-20% very <br />9 fine- to medium -grained sand; trace <br />iron oxide grain coatings; damp to <br />moist. <br />95 <br />M71@95': 15-20% very fine-grained sand; <br />drier. <br />Increasingly sandy. <br />SANDY SILT, dark brown (10YR, 4/3); 35- <br />40% very fine- to predominantly <br />medium -grained sand; slightly clayey; <br />sand composition approximately 55% <br />lithic; 40% quartz; 5% mafic min- <br />erals; moist. <br />PLATE A-19 <br />