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LOG OF EXPLORATORY BORING <br />PROJECT NUMBER 939-03.14 BORING NO. SB -1 <br />PROJECT NAME San Joaquin County - Corral Hollow Landfill PAGE 3 OF 3 <br />BY S. Lofholm DATE 4/12/88 SURFACE ELEV. 269.03' <br />1.511.51 34 45 CL <br />/ I I 1- <br />L <br />55 <br />M. <br />DESCRIPTION <br />SANDY CLAY (continued). <br />@ 40 feet: grayish brown (2.5YR, 5/2); thin <br />(0.1-0.2") sandy interbeds with fine sand; <br />abundant muscovite along sand -clay contacts; <br />trace to moderate muscovite elsewhere; trace <br />iron oxide concretions; very stiff; moist. <br />CLAY, olive (5Y, 5/3); moderate placticity; 5% <br />fine sand; hard; damp. <br />BOTTOM OF BORING AT 46.5 FEET. <br />POCKET <br />I PENETRA- <br />0M V) <br />Tg. <br />W <br />LITHO- <br />RECOVERY <br />PENETRO <br />TION <br />0� W <br />a`= <br />a <br />J <br />GRAPHIC J <br />METER <br />3 <br />(BLOWS/ <br />®3 J <br />Oz <br />Q <br />COLUMN <br />(FT/FT) <br />(TSF) <br />Ft.) <br />W <br />1.511.51 <br />/ <br />34 <br />CL <br />1.511.51 34 45 CL <br />/ I I 1- <br />L <br />55 <br />M. <br />DESCRIPTION <br />SANDY CLAY (continued). <br />@ 40 feet: grayish brown (2.5YR, 5/2); thin <br />(0.1-0.2") sandy interbeds with fine sand; <br />abundant muscovite along sand -clay contacts; <br />trace to moderate muscovite elsewhere; trace <br />iron oxide concretions; very stiff; moist. <br />CLAY, olive (5Y, 5/3); moderate placticity; 5% <br />fine sand; hard; damp. <br />BOTTOM OF BORING AT 46.5 FEET. <br />