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. Tab 1 ell. ."Hgdrauli.c geometry, discharge data, and sedimsnt. size di.$tribution at station 09260000 Litt:l. Snake River near Lily [ft'/s, cubic foot per second; ft/s, foot per second; ft, foot; ft', square foot; .C, degree Celsius; mm, millimeter; mg/L, milligram per liter] HYDRAULIC GEOMETRY AND DISCHARGE DATA Sam- Mean ple Dis. veloc" Mean Temper- Gage num- charge ity Width Area depth ature height ber Da~~ Time (fV/o) (ft/s) (ft) (ft') (ft) (OC) (ft) 1 2-23-83 950 249 2.12 60 117 1.95 0.0 2.71 2 3-16-83 1130 1,210 2.0 3.54 3 4-06-83 1030 327 2.24 95 146 1.54 0.0 2.22 4 5-10-83 1100 3,420 5.01 98 683 6.97 12.2 4.65 5 S-25-83 1030 4,620 5.76 94 802 8.53 14.0 5.50 6 6-07-83 1020 5,210 5.97 102 873 8.56 14.2 5.73 7 6- 24- 63 1240 4,340 5.61 102 773 7.58 17.6 5.34 8 7-15-83 1110 937 3.19 99 294 2.97 17.8 3.02 9 6-04-63 1120 365 2.34 99 156 1.58 22.8 2.30 SUSPENDED SEDIMENT SIZE DISTRIBUTION [Percent finer than millimeters; all material is finer than 2.00 millimeters] Sample 1. 00 O.SO 0.25 0.125 0.062 Concentra- number mm mm mm mm mm tio" (percent) (percent) (percent) (percent) (percent) (mg/L) 1 100 87 66 59 58 954 2 100 100 99 95 91 7,630 3 100 100 93 82 76 1,570 4 100 99 97 93 83 4,700 S 99 96 92 84 67 3,000 6 98 91 85 66 51 l,B80 7 100 96 87 70 48 1,060 8 100 89 66 37 27 516 9 100 98 92 86 85 538 BED MATERIAL SIZE DISTRIBUTION [Percent finer than millimeters; all material is finer than 32.00 millimeters] 16.00 8.00 4.00 2.00 1.00 0.50 0.25 0.125 0.062 mm mm mm mm mm mm mm mm mm Sample (per- (per- (per- (per- (per- (per- (per- (per- (per- number cent) cent) cent) cent) cent) cent) cent) cent) cent) 1 100 98 96 91 78 43 3 0 0 2 , 100 99 97 95 85 48 11 1 0 3 100 100 99 97 89 S7 9 1 0 4 100 99 97 95 85 47 9 3 1 5 100 99 99 97 80 25 5 1 0 0 96 0 84 -':'0 12 , Ji 2 37 " ;- " N - ~6 ;;0 >-oW 'J 100 7 92 53 :::2 ;) 40