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Geofogicaf Technics twc Nave En mental tiVpec u <br /> Boring Log <br /> Project Name R and B Trucking Hole No. M.W.-2 Page 1 of 1 <br /> Project No. GT-51 Date 1 -26-90 Contractor Osterberg and Stewart <br /> Area&County Tracy- San Joaquin Drilling Method Hollow Stem Auger Elev. <br /> Collard Bottomed Coordination <br /> Field Geo/Eng T. McDonald Map Ref —Bearing <br /> y <br /> O R7 <br /> z <br /> 4 o 6 ° cn <br /> 2 i~ 3 0 0 � W y Description Remarks <br /> Ca T J v <br /> 3 <br /> � 3333 <br /> 1 <br /> 5, 1 <br /> i 1F <br /> ' _9, Sand- dark brown, fine-medium <br /> _ grained, poor sorting, silt matrix, 0-91 <br /> I =. <br /> moist 9 H3,Odor <br /> 3 - -111 _- plasticity, moist, soft No HC Odor <br /> ��- 5 _ CH Clay- light brown, friable, low No-1 OdorO <br /> plasticity, firm, dry, contains — <br /> 3 _____ j fragmented hardpan <br /> 2 5 - -- 1 <br /> 1 5' l <br /> 1 0 € Sand- brown, fine-coarse grained, <br /> No 14-15' <br /> 1 0 poor sorting, clay matrix, wet, <br /> Sand- brown, fine-coarse grained, No HC Odor <br /> 5 <br /> poor sorting, clay matrix, loose, No HC Odor <br /> 6 wet i19.5-25* <br /> 20 3 —___ CH Clay- light brown, hard, friable, No HC Odor <br /> -__= low plasticity, dry, contains quartz <br /> 9 fragments <br /> g - - - <br /> 25 5 ==__ CH Clay- light brown, root tubes, <br /> 25-T <br /> 4 4 .7-7-:7 j € moderate plasticity, stiff <br /> No HC Odor <br /> 10 <br /> Motes: ® Cement Grout <br /> - ® Bentonite Seal <br /> GT/9-11-89 <br />