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Legend: ~ • <br />® 'topsoil; dark brava, moderately orE=.nic, slightly moist, varies lrum about 3 to <br />l6 inches deep, recuwed in Koine areas by dozer for driilfn~ access. <br />Clay (L'L); silty, low n~ mcdiwn plasticity, sand v, occasional gravels and <br />cobbles, stiff to very s[ifC, sLighCly Hoist to moist, medium and gray hrown, <br />occasionally porous. <br />® Sand 5 Clay (SC-CL); silty, low plasticity, slightly gravelly to gravelly, <br />occasional cobbles, medium dense to dense and stiFE to very stiff, slightly <br />moist, medium bro~.m, traces of coal particles, occasionally porous. <br />travel (GC-GPO ; sandy to sand and gravel, clayey to occasionally very clayey <br />with some clay zones, silty, low plasticity, cobbles and boulders, angular, <br />dense, slightly moist, medium brown, traces of coal particles. <br />Drive sample; 2-inch I.D. California liner sample. <br />Ilrive sample; standard penetration test (SPT) r\ST`I D-1586, l 3/°-inch I.D. split <br />spoon sample. <br />58/L2 Drive sample blow count; indicates that 58 blows with a 140-pound hammer Falling <br />30 inches were required to drive the California or SPT sarpler 12 inches. <br />~- Indicates depth ut cahich boring caved when checked nn 10-10-85. <br />Votes: <br />l) Exploratory borings were drilled on Sep[. 27 5 30 and October 1 5 2, 1985 with <br />a 4-inch diameter continuous flight power auger. <br />2) Locations and elevations of e~:ploratory borings provided by Schmueser E <br />Associates, Inc. ldhere grading was required Eor access to drill site elevations <br />have been approximated. ' <br />3) The lines between materials shown on the exploratory boring logs represent ehc <br />approximate boundaries between material types and the transitions may be gradual. <br />4) ~o free water IJaS encountered in the ex~~loratorv borings ac time of drilling and <br />when checked several days later. Fluctuations in the water level may occur with <br />time. <br />5) Laboratory Testing Results: <br />lJC = lJater Content (%) <br />DD = Dry Density (pcf) <br />-200 = Percent passing the No. Z00 sieve <br />LL = Liquid Limit (%) <br />P~I = Plasticity Inge: (%) <br />IJSS = Water Soluble Sulfate (%) <br />362 85I Chen and associates, In C. I Legend 6 t7otes of Cxploratory 8oringslp;q 4 <br />