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U.S SIEVE OPEnIINC IN INCFIES ! U.S. SIEVE NUMBERS I <br />r <br />r <br />} <br />m <br />C <br />Z <br />LL <br />Z <br />W <br />U <br />w <br />4 <br />9 s 3 21,5 13/4 1/2~ 3 4 n 81u 741° ~ .w ~ w,~ ~w 140 `."' <br />00 <br />95 <br />90 <br />85 <br />80 <br />75 <br />70 <br />65 <br />60 <br />55 <br />50 <br />46 <br />40 <br />35 <br />30 <br />25 <br />zo <br />15 <br />10 <br />5 <br />0 <br />100 ~ 10 7 0.1 ~ 0.01 0.001 <br />GRAIN SIZE IN MILLIMETERS <br /> GRAVEL. SAND <SILT OR CLAY <br />COBBLES coarse fne C02r52 medium fine <br /> <br />Specimen Identification Classification LL PL PI Cc Cu <br />• 6 14.Oft OORLY GRADED GRAVEL with SILT and SAND(GP-GM NP NP NP 0.95 88.7( <br />to 7 1d.Oft POORLY GRADED SAND with GRAVEL(SP) NP NP NP 0.84 9.67 <br />~ B 9.Oft WELL-GRADED SAND with GRAVEL(SW) NP NP NP 1.34 9.70 <br />~ <br />a Specimen Identification D100 D60 D30 D10 %Oravel %Sand %Silt %Clay <br />~ • 6 14.Dft 50 21.653 1243 0.075 58.0 32.0 10.0 <br />3 m 7 14.Dft 25 1.843 0.543 0.191 27.0 69.0 4.0 <br />~ ~ e 9.Dft 12.S 2.073 0.77 D.214 17.0 79.0 4.0 <br /> <br />lf~rra~on <br />J I I I I <br />GRAIN SIZE DISTRIBUTION <br />Project: Proposeq Sand artd Gravel Mining Operation Pit <br />Site: Whiting Property Windsor, Colorado <br />Job #: 20035110 <br />