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1423002.01 5/16/14 N:\PROJECTS\1423002.010.GPJ GRAIN SIZE FIGURE <br /> U.S.Sieve Opening in Inches I U.S.Sieve Numbers Hydrometer <br /> 6 4 3 2 1.5 3 4 1/2 3/8 3 4 6 8 10 14 16 20 30 40 5060 100 140 200 <br /> 100 I 1 1\ I I I I I I I I <br /> 90 1 <br /> 1 <br /> 80 �� <br /> likh0 <br /> I <br /> Nih <br /> ,,.. <br /> . .,...,/,.,„, <br /> .. . <br /> NI <br /> ,... ,_ <br /> 70 <br /> o , -NV:a= -'''':311:'-ki <br /> 41,- <br /> n(r) <br /> 50 ►� , ,. <br /> c <br /> 2 40 <br /> li 1 <br /> 4 -!::'i'''''‘‘:i.:.A* lig' <br /> 30 <br /> fit r ,E <br /> 20 <br /> A4 <br /> 10 <br /> D1! <br /> 4 <br /> O <br /> 100 10 0.1 0.01 0.001 <br /> 'rain -in Millimeters <br /> Gravel <br /> Cobbles Sand Silt or Clay <br /> Coarse Fine �;, o.rs- Medium Fine <br /> Exploration Sample Depth Natural Soil Description Unified Soil <br /> Symbol Number Number (ft) Moisture(%) Classification <br /> • B-5-14 S-1 2.5 Very silty gravelly SAND SM <br /> ® B-5-14 S-3 7.5 very gravelly SAND with silt SP-SM <br /> A B-5-14 S-5 15.0 13 Very silty SAND with gravel SM <br /> * B-6-14 1 2.5 Very silty gravelly SAND SM <br /> -0 B-6-14 3 7.5 j- - Very silty SAND with gravel SM <br /> 777X Composite Wing Figure <br /> iikLANDAU Fabrication Center Grain Size Distribution DB-2 <br /> ASSOCIATES Everett,Washington <br />