Effects of remedial grouting on the ground-water flow system at Red Rock Dam near Pella, Iowa

Original publisher: Iowa City, Iowa : U.S. Dept. of the Interior, U.S. Geological Survey, 2001. OCLC Number: (OCoLC)264703080 Subject: Grouting. Excerpt: ... Table 1. Data pertaining to selected bedrock wells in the Red Rock Dam study area [ D / S, downstream; U / S, upstream; shaded rows indicate wells located on the southwest side of dam ] Station Elevation of ( distance from reference Elevation of Offset from center bottom of Well number point in northeast top of well line of dam well screen ( fig. 1 ) bluff along center ( feet above ( feet ) ( feet above line of dam ) sea level ) sea level ) 1 ( feet ) 1 - R 3120 85 D / S 784.40 642.60 2 - R 3403 192 D / S 753.90 645.10 3 - R 3802 230 D / S 730.10 643.40 4 - R 4001 17 D / S 797.40 646.10 5 - R 4279 229 D / S 729.30 645.40 5 - RA 4264 229 D / S 733.40 651.10 5 - RB 4264 229 D / S 732.30 659.20 6 - R 4550 19 D / S 797.30 643.90 7 - R 5040 19 D / S 796.90 648.10 8 - R 5201 18 D / S 796.30 647.00 9 - R 7247 237 D / S 723.90 640.60 10 - R 7249 21 D / S 795.70 639.60 11 - R 8001 22 D / S 796.60 633.00 12 - R 8400 22 D / S 796.90 633.20 13 - R 8700 23 D / S 796.90 633.50 14 - R 8904 113 D / S 777.30 630.80 16 - R 6000 230 D / S 724.60 639.60 18 - R 4281 378 D / S 715.90 649.60 21 - UR 3580 241 D / S 730.30 689.50 22 - UR 3404 19 D / S 797.10 683.70 23 - R 3817 371 D / S 718.20 645.70 26 - R 2750 58 D / S 797.50 636.80 27 - R 3250 375 D / S 774.90 642.60 83 - L 8300 240 D / S 723.60 635.70 83 - U 8300 240 D / S 723.90 654.00 84 - L 8400 240 D / S 723.80 632.50 84 - U 8400 240 D / S 723.70 652.00 85 - L 8500 240 D / S 723.50 631.30 85 - U 8500 240 D / S 723.80 656.20 R - 88 - 3 2870 256 D / S 792.00 740.60 R - 88 - 4 4924 503 D / S 701.90 652.80 R - 88 - 5L 3786 230 D / S 731.90 639.70 R - 88 - 5U 3786 230 D / S 732.00 650.40 R - 88 - 6 4199 385 D / S 714.00 639.70 R - 92 - 1 3092 200 U / S 780.80 649.20 R - 92 - 2A 3440 25 U / S 797.40 647.00 R - 92 - 2 3540 18 D / S 797.10 647.00 R - 96 - 1 8686 289 D / S 751.00 6...