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1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />LOG OF EXPLORATORY BORING <br />PROJECT NUMBER 939-03.14 BORING NO. MW -2 <br />PROJECT NAME San Joaquin County - Corral Hollow Landfill PAGE 2 OF 9 <br />BY S. Lof holm DATE 5/11/88 SURFACE ELEV. 303.39' <br />POCKET PENETRA C]. to = • W LITHO - <br />RECOVERY PENETRO TION 3 W W F- U. J GRAPHIC <br />METER (glows/ M35 <br />WZ E COLUMN <br />(FT/FT) (TSF) Ft.) 0 J OH U) <br />DESCRIPTION <br />SP <br />SAND (continued). 5-10% fine to medium <br />gravel; trace coarse gravel; very fine to <br />GW <br />medium sand, 45-50% very fine, 35% fine, <br />10-15% medium, trace coarse; damp. <br />45 <br />y' SANDY GRAVEL, brown (10YR, 5/3); 5% <br />�. <br />fines; 15-20% fine to coarse sand; 15% fine <br />-: gravel, 25-30% coarse gravel, predominantly <br />chert and quartzite; dry to damp. <br />@ 47': as above; 40% sand; 10% fines. <br />50 <br />SP <br />GRAVELLY SAND, dark yellowish brown <br />(10YR, 4/4); 5% low plasticity fines; 10% fine <br />55 <br />:::. sand, 10% medium, 80% coarse sand; 20-25% <br />fine gravel, trace coarse; moist. <br />@ 56': as above, 10-15% fines; moisture level <br />increasing. <br />60 <br />65 <br />@ 65-70': 15-20% clay; very moist. <br />Note: water check; no water recovered. <br />70 <br />GP <br />— �. CLAYEY SANDY GRAVEL, dark brown <br />(10YR, 4/3); 10-15% fines; 25-30% fine to <br />coarse sand; 55-60% fine to coarse gravel; <br />moist. <br />75 <br />- <br />SW <br />`:<';=ss GRAVELLY SAND, dark brown (IOYR, 4/3); <br />5-10% fines; 50% medium to coarse sand; <br />�; trace fine sand; 35-40% fine to coarse gravel; <br />