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6192-021-01 SAS: SAS 11-18-2011 <br /> U.S. STANDARD SIEVE SIZE <br /> G) 3" 1,5" 3/4" 3/8" #4 810 #20 #40 #60 #100 #200 <br /> m 100 <br /> ® I <br /> m 90 <br /> i I <br /> = <br /> 80 <br /> Z � i I <br /> m w 70 <br /> m ' <br /> Ln m 60 I I i - <br /> z 50 I I <br /> d40 I I <br /> z 30 <br /> i I t ' <br /> w ! i <br /> w 20 ' <br /> 10 <br /> i <br /> cn 0 <br /> 1000 100 10 1 0.1 0.01 0.001 <br /> m <br /> -n z GRAIN SIZE IN MILLIMETERS <br /> 0 D <br /> C r <br /> m (n GRAVEL SAND <br /> m <br /> W Fn BOULDERS COBBLES COARSE F[NE CO VISI? MEDIUM FINE SILT OR CLAY <br /> w ; <br /> m <br /> cn <br /> c <br /> r <br /> cn SYMBOL EXPLORATION DEPTH SOIL CLASSIFICATION <br /> NUMBER ft <br /> TP-3 4 Silty sand with gravel(SM) <br /> TP-6 4 Silty sand(SM) <br /> ® TP-7 4 Silty sand with gravel(SM) <br /> ® TP-10 4 Silty sand with gravel(SM) <br />