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1423002.01 5/16/14 N:\PROJECTS\1423002.010.GPJ GRAIN SIZE FIGURE <br /> U.S.Sieve Opening in Inches U.S.Sieve Numbers Hydrometer <br /> 6 4 3 2 1.5 3 4 3/8 3 4 6 8 10 14 16 20 30 40 50 60 100 140 200 <br /> 100 I I e . P-� I I I I I 1 I 1 <br /> 90 _t --- "". ' "' '" ---- 1 <br /> 80 •\ <br /> 70 <br /> 60 \ <br /> c 50 <br /> it <br /> 2 40 <br /> a) <br /> d <br /> 30 <br /> 2Ukii : <br /> 10 <br /> 0 , <br /> 1 <br /> 100 10 "" 0.1 0.01 0.001 <br /> '..„44, ., rain '>>-in Millimeters <br /> Cobbles Gravel Sand <br /> Silt or Clay <br /> Coarse Fine ,-r b r Medium Fine <br /> Symbol Exploration Sample Depth Naturalo Soil Description Unified Soil <br /> Number Number (ft) Moisture(/o) Classification <br /> • B-18-14 S-7 30.0 10 Gravelly,silty SAND SP-SM <br /> I B-19-14 S-1 2.5 14 Very silty SAND with trace gravel SM <br /> A B-19-14 S-3 7.5 11 Very silty SAND with trace gravel SM <br /> * B-20-14 S-1 5.0 11 Very silty SAND with trace gravel SM <br /> O B-20-14 -S-3 10.0 11 Very silty SAND with trace gravel SM <br /> 777X Composite Wing Figure <br /> IALANDAU Fabrication Center Grain Size Distribution _D D O <br /> ASSOCIATES Everett,Washington I <br />