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Geological Technics <br /> 'NVIRCNMENTAL CONSULTING SPECIALISTS <br /> - - BORING LOG .. _ .. <br /> Project No. GT a 87 - 8A Late 9/30/87 Well No. 12 <br /> Owner & Location B. C. & D. PROPERTIES 1129 W. 11th St. TRACY, CA <br /> } � Driller OSTERBERG & STEWART INC Method. HOLLOW STEM <br /> Diameter 7.2511 <br /> T.D. 151 W.D. Initial _12,51 Final Surface Elevation <br /> Logged : RAY KABLANOW <br /> Depth Sample: Col. Description of Sediments: ' <br /> _.. Feet Oder USC Clay Sect, <br /> avemen <br /> Fill, <br /> (0-4-50 <br /> Said, silt & clap, redwood chips (possibl <br /> old fence post), no gravel, Is. <br /> 5 NO SP Sand, ba; fine.to med grained, silty & clayey, <br /> ' is to firm, damp <br /> ?'' ^ 10 .12..1 NO CL -=- Clay, bn, sandy & sand horizacie; soft to firm, <br /> moist <br /> < ML " µ Silt, bn, sandy & clayey, water saturated, ls, ; <br /> r� <br /> ' soft <br /> 15 12-1 <br /> NO CL Clay, It bn, no coarsa fractions (sand or silt), <br /> stiff, moist <br /> i ' <br /> page J _ of t <br /> s <br />