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6192-021-01 SAS: SAS 11-16-2011 <br /> U.S. STANDARD SIEVE SIZE <br /> 3" 1.5" 3/4" 3/8" #4 #10 #20 #40 #60 #100 #200 <br /> m100 <br /> O <br /> I <br /> m 90 <br /> Z I I I <br /> 80 <br /> � U L I <br /> m w 70 I , <br /> rn I <br /> Vii m 60 I 1 <br /> I <br /> I <br /> z 50 1 - <br /> Q 40 <br /> CL I <br /> z 30 I I <br /> W <br /> U <br /> '20 I <br /> CL <br /> I i I i i <br /> 10 ; <br /> i — <br /> ; <br /> I , <br /> v, 0 <br /> Fn 1000 100 10 11 0.1 0.01 0.001 <br /> m <br /> z GRAIN SIZE IN MILLIMETERS <br /> � r <br /> C: <br /> ;o GRAVEL SAND <br /> m BOULDERS COBBLES SILT OR CLAY <br /> Co N COARSE FINE COARSE MEDIUM FINE <br /> a %n <br /> m <br /> c <br /> r <br /> (n SYMBOL EXPLORATION DEPTH SOIL CLASSIFICATION <br /> NUMBER ft <br /> B-1 5 Silty sand with gravel(SM) <br /> [] B-2 2'/2 Silty sand with gravel(SM) <br /> Q B-5 21/Y Silty sand with trace of gravel(SM) <br /> ® B-6 5 Silty sand with gravel(SM) <br />