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LOG OF EXPLORATORY BORING PROJECT NUMBER 939-03.14 BORING NO. MW -3 PROJECT NAME San Joaquin County - Corral Hollow Landfill PAGE 3 OF 9 BY S. Lofholm DATE 5/5/88 SURFACE ELEV. 297.03' m 85 DESCRIPTION CLAYEY SILT (continued). @ 85': as above; light yellowish brown (2.5Y, 6/4); 5% fine to coarse sand; trace to 5% fine gravel; subrounded; predominately chert and metamorphics. 100 ,®, GP ,� SANDY GRAVEL, olive (5Y, 4/3); 15-20% fine to coarse sand; fine to coarse gravel, subrounded to rounded, predominately chert, some metamorphics. 105 �. @ 105-112': predominately fine gravel. 1 i@ 110-• •• • sandy light olive brown (2.5Y, 5/4); low plasticity; Pro, / SILTY 1-15% fine • • medium r • sand. i low plasticity; 5% fine sand. / SILTY CLAY AND SANDY GRAVEL, / RqTERBEDDED, yellowishSilty Clay: • • (10YR, . • EIVICON ACCnr.TATFS POCKET PENETRA oWw =g W LITHO- RECOVERY PENETRO- TION 3W W a'a.IL J GRAPHIC �J METER (BLOWS/ & 3 W ®Z 0. Q COLUMN _im 3 W (FT/FT) (TSF) Ft.) Cj J M 0 p m 85 DESCRIPTION CLAYEY SILT (continued). @ 85': as above; light yellowish brown (2.5Y, 6/4); 5% fine to coarse sand; trace to 5% fine gravel; subrounded; predominately chert and metamorphics. 100 ,®, GP ,� SANDY GRAVEL, olive (5Y, 4/3); 15-20% fine to coarse sand; fine to coarse gravel, subrounded to rounded, predominately chert, some metamorphics. 105 �. @ 105-112': predominately fine gravel. 1 i@ 110-• •• • sandy light olive brown (2.5Y, 5/4); low plasticity; Pro, / SILTY 1-15% fine • • medium r • sand. i low plasticity; 5% fine sand. / SILTY CLAY AND SANDY GRAVEL, / RqTERBEDDED, yellowishSilty Clay: • • (10YR, . • EIVICON ACCnr.TATFS