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<br />GRADATIOft! CURVE <br />Sample 9+50 at 5-7 feet <br />100 - <br />95 - <br />90 - <br />85 - <br />80 <br />75 <br />70 - <br />o, 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 />5-I <br />o~ <br /> . <br />. <br /> <br />. <br /> <br />~ ~ , <br />. <br />. <br /> . <br /> <br />. <br />. <br />~ <br />, <br /> . <br />. ~ <br />gravel <br />~ <br />sand ~ ~ ~ <br /> <br />~ ~ ~ <br />_ <br />--- y -- <br /> <br /> <br /> <br /> <br />- . <br />-----. <br />~-----r---------- <br />~ , <br />---- ~-----, ----_-----r----~----- <br /> <br /> <br />. <br />---- '-----~----- --- <br /> <br />---------- ----- -- <br /> <br /> <br />_ <br />r_____~ <br />r_____~ ____~_ , ____ ~ <br />~ r____r_____~ ______ <br />, ____r___ __ . . <br />!____ <br />r____~___-_; __ <br /> <br /> <br /> <br /> <br />L <br />r . ~ <br /> <br />. ~ <br />_l l _3 ~ _ <br />. i • • . . <br />. ~ ~ <br /> <br />~ 1 _1 L _l <br />. . . . • i . <br />~ ~ . <br />~ . <br />3 L J _ <br />. . i r <br /> . . <br />_J L _J <br />. . ~ ~ . . . <br />, _L -J _l _l _J <br />i ~ ~ ~ ~ ~ ~ . ~ . . ~ <br />-l J L _J _1 _L _J _ r . . . <br />1 _l _J _L <br /> <br />3 <br />~~ . . . <br />-~-----•---- <br />~ ~ . . . i <br />--•----•-----~-----~----~ <br /># <br />---~-----~----LL----~-----~----~---- <br />200 <br />----- ---- - --- -- <br />75 19.0 4.8 0.85 0.25 0.075 ~ 0.0410 0.0192 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 D.OD13 <br />Grain Size In Millimeters <br /> <br />