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U.S. S6iVE OPENING IN INCHES I U.S. StEVB NUI~ERS I HYDROAfECFR <br /> <br />6 ~ 7 2 I IR7/8 ] 6 l101~1620 30 ~ SO [40200 <br />100 <br />90 <br /> <br />80 <br /> <br />P <br />E <br />70 <br />R <br />C <br />E <br />N <br />T ~ <br />F <br />N <br />50 <br />E <br />R <br />B <br />Y~ <br />W <br />E <br />1 <br />r+ <br />30 <br />H <br />T <br /> <br />20 <br /> <br />30 <br />0 <br />~ <br />~ <br />0.01 0.001 <br />100 <br />10 I 0.1 <br />GRAE4 SIZE Qi MU.LR.tI;'I'F3tS <br />COBBLES GRAVEL SAND SILT OR CLAY <br />coarse fine coarx medium fine <br />S imen Identification Classification MC% LL PL PI Cc Cu <br /> 4 9.0 SII.TY SAND SM 23 NP NP NP <br /> 5 4.0 SANDY LEAN CLAY CL 29 32 19 )3 <br /> 5 V~DI,L RADED SAND with SII.T and GRAVEL SW-S 9 NP NP NP 1.25 53.1 <br /> 5 l1133LL RADED SAND with SII,T and GRAVEL SW~ 9 NP NP NP 1.21 37.3 <br /> 6 0.5 LEAN CLAY with SAND CL 34 17 17 <br />S imen Identification D100 D60 p30 D10 %Gravel %Sand %Silt %Cla <br /> 4 9.0 19.00 0.33 0.114 7.0 76.8 ZZ.2 <br /> 5 4.0 4.75 0.0 35.0 65.0 <br /> 5 9.0 37.50 4.63 0.709 0.0872 39.6 51.4 9.0 <br /> 5 19.0 25.40 3.85 0.694 0.1031 37.0 54.7 8.3 <br /> 6 0.5 4.75 0.0 27.0 73.0 <br />PROJECT Lotwmont Pit Exnamion - WCR's 11 & 24 JOB NO. 21975088 <br />DATE 10/17/97 <br />GRADATION CURVES <br />Terracon Consultants Western, Inc. <br />1289 ist Ave Greelev. Colorado <br />