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C~ <br />J <br />GRA®ATION CURVE <br />Sample 1700 at 5-7 feet <br />100 <br />95 <br />90 <br />85 <br />80 <br />75 <br />,_, 70 <br />L <br />m 65 <br />~ 60 <br />55 <br />50 <br />LL 45 <br />40 <br />m 35 <br />°' 30 <br />25 <br />20 <br />15 <br />10 <br />s <br />0 <br /> , <br />, ~ <br />~ ~ <br />~ , <br />, <br />, , <br /> , , <br /> , <br />, ~ ~ <br />~ ~ <br /> <br />Sllt , <br />, <br />` <br /> <br /> <br />- , <br />, <br />'---- <br /> <br /> <br /> <br />--- <br />gravel , <br />, <br />-----'----' ^----'----- <br /> <br /> <br />- <br />~ sand <br /> <br /> <br /> <br />, <br />-----C----:---- ----'----- --- --- ---- <br />-~ - <br />, <br />, <br /> <br />--- -- <br /> <br /> <br />---- <br />i <br /> <br />y <br />cla • <br />, <br /> <br />- • <br />---- ~ <br />, <br />, <br />, , , <br /> <br />, <br /> , , , , . r , • i r • , , , • , , i <br /> i ! . -1 'r l 'f 'l 'I f -l 'f ~ - i f 1 -~ <br /> <br /> <br />----c---- ~ ---- , <br />----'-----1 ~ , <br />'--- ~----'-"---~ <br /> . <br /> , <br />, , <br />, <br />3 ~~ ----------' ~ --~----~-----~-----~----= <br /># -- ----- ---- ---- ----- ---- ---- <br />200 ----- -- ----- - <br />75 19.0 4.8 ~ 0.85 0.25 ~ 0.075 ~ 0.0436 0.0198 0.0083 0.0043 0.0022 <br />37.5 9.5 2.0 0.43 0.15 0.0614 O.D309 D.D117 0.0060 0.0030 0.0013 <br />Grein Size In Millimeters <br />l J <br />