None
Suppressed orifice, definition, 169 Survey of reservoir sites, 353, 354 — stakes, specification clause, 553 Surveys of a project, 528-533 Suspension of contract, specifications, 549 Susquehanna River, flow and area, 592 Swamp reclamation and drainage, 185 Swanzy Dam, Wales, data, 601 Sweetwater Dam, Cal., data, 601 spillway, 354, 355 — Reservoir, seepage into, 24O flood and area, 594 Sweetwater valve plug, illustrated, ^62 Swingle, Z, T., bulletin by, 26 Synclinal Valley as reservoir site, 345 Tait, C. E., bulletins by, 98, 136 Talbot, A. N., article by, 63 Talla Dam, Scotland, data, 599 Tannatt and Kneale, bulletin by, 201 Tansa Dam, India, data, 601 — River, India, flood and area, 596 Teele, R. F., book on land, 136 report by, 152 Telephone, specification clause, 537 — system specifications, 586-590 Tennessee River, flow and area, 592 Little, flow and area, 593 Tension in masonry discussed, 465 Ternay Dam, Fr., data, 601 Terraced hillside irrigation, illustrated, 120, 121 Texas, rice irrigation in, 97, 98 Theresa concrete weir, section, 486 Thompson, S. E., book by, 495 Three-mile Falls Dam, plans and sec- tion, 483 638 INDEX Throttk Dam, data, 599 Tieton Canal flume plans, 297 lined canal, 211, 213 section, illustrated, 241, 281 steel flume, 306 tunnels, data, 334 Tile drains, sizes of, 191-193 — used in drainage work, 196, 197 sub-irrigation, 134, 135 Timber, specification clause, 544 — dams, 382-384 Titicus Dam, N. Y., data, 601 Titles, water, 496-501 Toccoa River, flood and area, 594 Toncan metal, alkali and, 309 Topography and rainfall, 41 — of irrigable lands, 99-101 Trapezoidal channels, table data, 61 1 Trench excavator for drainage, 192 Trenching, machinery, bulletin on, 201 Triunfo Creek Dam, Cal., data, 601 Truckee Canal drop, illustrated, 283 lining, view, 240 waste way, illustrated, 279 — River, flow of, 43 Tsar Canal, Turkestan, 261 Tucson, Ariz., sewage irrigation at, 128 Tugaloo River, flood and area, 593 Tule Lake, leakage from, 352 Tumalo Reservoir, leakage, 346, 347 Tumble weeds in canals, 194 Tunneling for water, 59-61 Tunnels, discussion of, 330-335 — specification clause, 538 — specifications, 584-586 — table length and cost, 334 Tuolumne River, flow of, 42 flood and area, 593 Turbine water wheels, 82, 83 Turkestan, abandoned lands in, 185 — gates and headgates in, 261 Turlock Canal, cross-section, 207 Turnouts, lateral canal, 263-271 Turtle Creek, flood and area, 594 Twin Falls canals and leakage, 227 reservoir leakage, 351 Tygart River, flood and area, 593 Typhoid fever and sewage irrigation, 129 U Ubaya River, France, flood and area, 595 Umatilla by-pass drop, 288 — Canal lining, view, 239, 243 section, 208 — Project, duty of water on, 147 — River, flow of, 43 Uncdmpahgre tunnels, data, 334 — Valley drops, 290 duty of water in, 147 flume, illustrated, 322 Underflow tests, bulletin on, 63 Underground irrigation, 135, 136 — waters, 45-48 books on, 63, 98 Undershot water wheels, illustrated, 78- 81,89 Unit prices, specification clause, 552 United States, area irrigated in, 4 Uplift, hydrostatic on dams, 451-453 Upper Deer Flat Embankment section, 416 Urft Dam, Germany, data, 601 Umasch River, Switzerland, flood, 596 Use of water, doctrine of, 496, 499 Use of Water in Irrigation,*' book, 6 Utah experiments on duty of water, 141- 143 — rules for irrigation, 150-152 "V" ditcher, illustration of, 107 Valve plugs, cast iron, dams, 362 Valves, butterfly and needle, 362-369 Van Buren's stability of dams, 451 Vapor engines for pumping, 84, 85 Vegetation and rainfall, 41, 42 — in canals, clearing, 521-524 Velocity head tables, 614 — in canals, discussion of, 215-217 — of approach to weirs, 168 — tables, flow of water, 602-610 Ventilation of tunnels, 333 Venturi flume, 178, 179 — water meter, 177, 178 formula, 178 INDEX 639 Verdun River, France, flood, 595 Victor turbine water wheel, 83 ViUar Dam, Spain, data, 601 Vistula River, Galicia, flood, 595 Vitrified pipe, specifications, 590, 591 Vogesen Mts., rainfall in, 32 Voids in stone, 491, 492 Volume of Dams, table of, 599-601 Vymwy Dam, Wales, data, 601 pressure on foundation, 447 W Waco, Tex., artesian area, 51 Wachusetts Dam, data, 601 — Reservoir, permeability, 47 Waldeck Dam, Ger., data, 601 Walnut Canyon Reservoir leakage, 350, Walnut Grove Dam, failure of, 441 Wanague River, flood and area, 594 War Department report, San Carlos, 380 "Wash borings," dam foundations, 494 Washington Monument, pressure on, 447 Waste water, discussed, 511, 512 Wasteways, discussion of, 277, 278 Water and plant growth, 22, 23 — application of, to land, 111-136 — character of, 61-63 — concrete specification clause, 560 — consumed by crops, table, 23 — economy discussed, 504-511. — Law, books on, 501 — logged lands, 184, 185 San Louis Valley, 133, 134 — measurement, chapter on, 153-183 — proofing dams, by gunnite, 453 — rights, cliapter on, 496-501 — supply and plant life, 18-20 chapter on, 27-64 investigation of, 528-529 — table, effect of rise of, lo, 11 rise of, 184, 185 — users, cooperation with, 504 — waste discussed, 511, 512 — wheels, pumping, books on, 98 pumping with, 78-84 Water works meters not suitable, 172 Wave action on gravel slope, 417 Weather Bureau, evaporation table, 72 Weber River, flow of, 44 Weeds, clearing canals of, 521-524 Weep holes, concrete canal lining, 237 Wegmann, Edward, book by, 495 Weight, various substances, table, 615 Weights and measures equivalents, 616, 617 Weir formulae, 167, 168 Weirs and coefficients, books on, 182, 183 — measuring water by, 166-168 — or diversion dams, 382-404 — various kinds described, 384-391 Weisbach, P. J., book by, 183 pipe formula discussed, 326 Weiser River, flow of, 43 Wells, artesian, 48-59 — books on, 63, 64 — deep, examples of, 50, 51 — in dams, drainage, 454 — in drainage ditches, 194 — irrigation from in India, 58 Werre River, Germany, flood and area, 595 West Gallatin River, flow of, 43 Whalen Dam, views of, 257-259 Wheel scraper, vieW of, 425 Wheels, water, for pumping, 78-84 Whippany River, flood and area, 594 White Nile, irrigation water of, 25 Widtsoe, John A., book of, 6, 25, 26, 152 bulletin on evaporation, 71 O. & M. conclusions, 511 plant water, data on, 23 Wigwam Dam, Conn., data, 601 Willamette River, flow of, 43 Willcocks, Sir William's visit, V Williams Dam, Ariz., data, 601 Willow Cr., Ore., flood and area, 594 Wilson, H. M., books of, 6, 26, 152 bulletin by. 98 first edition by, V Wilting coefficient, definition of, 20 Wind and evaporation, 68 — erosion of canal banks, 524, 525 640 INDEX WindmUb, books on, 98 — capacity table, 77, 79 — for irrigation, 75-78 Wind pressures, tables of, 76, 77 Winter operation of canals, 516-518 Wire reinforcement, pipe, illustrated, 328 — wound wooden pipe, 324 Wofelsbrund Dam, Ger., data, 601 WolflF, A. 