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I I <br />0 <br />0 <br />L <br />n <br />[7 <br />7 <br />C <br />L <br />u <br />0 <br />LOG OF EXPLORATORY BORING <br />PROJECT NUMBER 939-03.14 BORING NO. MW -3 <br />PROJECT NAME San Joaquin County - Corral Hollow Landfill PAGE 8 OF 9 <br />BY S. Lofholm DATE 5/5/88 SURFACE ELEV. 297.03' <br />POCKET <br />PENETRA a N <br />g <br />W LITHO- J <br />RECOVERY <br />PENETRO- <br />METER <br />TION jW_j <br />I- <br />F -,L <br />d <br />J GRAPHIC JM <br />0. ¢ <br />DESCRIPTION <br />(FT/FT) <br />(TSF) <br />Mows/ <br />/ �3J <br />oM <br />� COLUMN 3® <br />GC <br />CLAYEY SANDY GRAVEL (continued). <br />SC <br />CLAYEY SAND, light olive brown (2.5Y, 5/4); <br />15-20% fines; 10-15% fine, 40% medium, <br />285 <br />15-20% coarse sand; 5-15% fine to coarse <br />gravel, composed of 10-15% white quartz, <br />1 <br />15% jasperoided chert, 70% brown quartzite; <br />6/1/88 <br />moist. <br />290- <br />90295@ <br />295- <br />@297': 10-15% low plasticity fines; 60-65% <br />fine, 30% medium, 5-10% coarse sand; 5% <br />300 <br />fine to coarse gravel; subangular to <br />subrounded; moist. <br />Q <br />= <br />Note: water checked at 297.5'; no water <br />recovered. <br />305 <br />SP <br />CLAYEY GRAVELLY SAND, light olive <br />SC <br />:::: <br />brown (2.5Y, 5/4); 15-20% fines; fine to <br />coarse sand; 10% fine to coarse gravel; wet. <br />310 <br />SP <br />: ; :: <br />GRAVELLY SAND, light olive brown (2.5Y, <br />5/4); 5-10% fines; 50-55% fine to coarse sand; <br />35-40% fine to coarse gravel; 45% well <br />cemented brown sandstone; 5% quartz, 45% <br />315 <br />:::: <br />jasperoided chert; wet. <br />@ 316-320': percentage of fines increases to <br />30-40%. <br />20 <br />REMARKS <br />& <br />VA& <br />ECON <br />ASSOCIATES <br />