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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 2 OF 3 <br />BY S. Lofholm DATE 4/12/88 SURFACE ELEV. 269.03' <br />RECOVERY <br />(FT/FT) <br />POCKET <br />PENETRO <br />METER <br />(TSF) <br />PENETRA <br />TION <br />(Blows/ <br />Ft.) <br />o M u) <br />= WW <br />M 3 W <br />C7 J <br />= • <br />0. <br />QZ <br />H <br />W LITHO <br />-, GRAPHIC I.JU) <br />IL 3 W <br />¢ COLUMN <br />N p <br />DESCRIPTION <br />1.3/1.5 <br />41 GC <br />CLAYEY SANDY GRAVEL FILL (continued). <br />SM <br />SILTY SAND, yellowish brown (IOYR, 5/4); <br />10-15°x6 low plasticity fines; fine sand, <br />subangular to subrounded, 55% quartz grains, <br />45% rock fragments; trace iron oxide coating <br />grains; dense; damp. <br />1.511.51 1 44 <br />1.5/1.51 1 24 <br />1.5/1.51 1 28 <br />EIVICON <br />ASSOCIATES <br />ML SANDY SILT, yellowish brown (1 OYR, 5/4); <br />low plasticity; 10-15% fine sand; trace iron <br />oxide concretions; trace to minor (0.1") <br />Interbedded fine sands; hard; damp. <br />@ 30 feet: dark brown (10YR, 4/3); slightly <br />coarser sand; moist. <br />SZ_ <br />CL SANDY CLAY, light olive brown (2.5Y, 5/4); <br />= 35 25% fine sand, angular to subangular; (0.1") <br />611188 interbedded fine sands; flame structures; <br />sandy zones subparallel to clay laminations; <br />very stiff; moist to wet. <br />