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<br />GRADATION CURVE <br />Sample 13+00 at 0-S feet <br />100 <br />95 <br />90 - <br />85 <br />80 <br />75 <br />,-, 70 <br />L <br />w 65 - <br />~ 60 <br />55 - <br />50 <br />LL 45 - <br />m 40 - <br />m 35 - <br />a 30 - <br />25 - <br />20 - <br />15- <br />10- <br />5- <br />0- <br /> <br /> <br />L J L____ r_____ .. <br />___ _ <br />_ i J _1 _l _l ,. <br /> <br />___ _l _l J _1 L <br /> <br />l _l _J- L <br /> <br /> I' l ~ T l i ~ l f <br /> ~ _J • J ___ _ _l _~ l J _~ ~ _~ _~ L J _ <br />' l _~- <br />r <br />- ---- gravel ----- ----i sand ; -------- ----~-------- <br />silt ~ ~----~---- ---- ,clay <br /> <br />i __ <br />1 r -l _ <br />f l l <br />~ f -l <br />-i <br />T <br /> <br /> - _T _~_____~ ____ _____f-____r ___ i____ ~ _____ ___ <br />-• -r ____~ ____ ~____ _____• ___ _____ _____~ ___ <br />~ ~ -r -T r _____ ____ r____ ~__ <br />T r ~ -r <br /> <br /> ~_ r_____~_ _____~_____~ ___ ~_____~_____ __-_J_____~_____i__ !_-___~_____~____ !____ ~ <br />T 'f ~ -t <br /> <br /> <br />3 ~~ ----------' ~ -- -----=-------~---- <br /># --- - --- ---- ---- ----- --- --- <br />200 ----- ---- ----- -- <br />75 ~ 19.0 ~ 4.6 0.85 ~ 0.25 ~ D.075 ~ 0.0443 ~ 0.0206 ~ 0.0066 ~ 0.0044 ~ 0.0022 <br />37.5 9.5 2.0 0.43 0.15 0.0609 0.0320 0.0121 0.0062 0.0031 0.0013 <br />Grain Size In Millimeters <br /> <br />