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<br />GRADATIOhI CURVE <br />Sample 4+50 at S7 feet <br />100 <br />95 <br />90 <br />85 <br />80 <br />75 <br />70 <br />~ 65 <br />?i 60 <br />55 <br />50 <br />ii 45 <br />40 <br />m 35 <br />a 30 <br />25 <br />20 <br />15 <br />10 <br />s <br />0 <br /> . <br /> <br />. <br />. ,. ~ <br />~ . <br />~ . <br /> <br />- r----~---'-r----T--" <br />. -- --°- <br />~ <br /> <br />_ r_ <br />--'- --- ----- ---- - r r <br />. <br /> . <br />~ <br />~ <br />-i <br />Slit <br /> <br />. . <br /> <br /> <br />- . <br />. <br />. <br />'--- <br />gravel <br /> <br />----^----' '---'--' - <br />sand <br />. <br />----'-'--"----'-°- <br />-'--'---1-----~ <br /> <br />--- ---- -- <br /> <br />clay <br />- <br />----- <br />r---------- <br />----r---- <br />- --r----,-----r----~-----~-----r----,---- , <br />•---- r <br /> <br /> . <br />-r -. <br />-r ~ r -r -~ <br />r i r ~ -r -r -~ - <br />t r ~ r <br /> <br /> <br /> <br />_ <br />_____~_ r_ ____ <br />' ----' ---;- <br />___~_____~_____ ____ <br />. z_____ <br />-----r- <br /> <br />____r_____r ____r_____r ___ <br />_____r ____~_ <br />~ --- <br /> <br />~ _r__ <br />~ • <br />---------------- <br /> . <br />. <br />. <br />~ <br />~ . <br /> . <br />. ~ <br /> <br />. . <br />g ~~ ----------' ~ --------------- ~----= <br /># --- ----- ---- ----- ----- ---- - -- <br />200 ----- --- ---- - <br />75 19.0 4.8 ~ 0.85 ~ 0.25 0.075 ~ 0.0410 ~ 0.0'192 0.0083 0.0043 0.0022 <br />37.5 9.5 2.0 0.43 0.15 0.0569 0.0296 0.0116 0.0060 0.0030 0.0013 <br />Grain Size In Millimeters <br />• <br />