35' 



INDEX. 



Spur revetments for banks. 73 



submerged, 60 

 Stadia surveys. >i 



Starling, Wm.. " Levees of Mississippi," 79 

 Statistics of locks and dams, 173-193 

 Stearns. Frederic I 1 , jet pile driving. 156 

 Stu-kiu-y. Col. Amos. bank-heads, 74 



Mary's Falls Canal, 291 

 Stone gauge*. 39 

 Storage reservoirs, 101 



artificial, 105, 106 

 effects on floods, 101-108 

 examples. 104 

 natural, 102 



Storm- Buy sing locating levees. 76 

 Strain on anchor-bars and diagonals, 180 

 Submerged discharge, 30, 33 

 Suresnes, movable dam at, 244 

 Surveys, 16-40 



hydrpgraphic, 25 

 leveling, 23 



measurement of discharge, 2932 

 sediment, 37 

 velocity, 35 

 plane-table, 21 

 preliminary, 16 

 soundings, 25 

 stadia, ai 

 topographical, 20 

 transit and chain, 20 

 triangulation, 22 



Table of Allegheny River locks and dams, 273 

 Big Sandy River locks and dams, 274 

 Black Warrior River locks and dams, 275 

 canals in the United States. 4 

 characteristics of Rhone floods, 1 1 2 

 cost of fixed dams, 207 



needle dams, 226 

 dimensions of trestles for gate and curtain 



dams, 254 



dimensions of trestles for needle dams, 225 

 needles for needle dams, 225 

 Fox River locks and dams, 276 

 Green River locks and dams, 279 

 Kanawha River locks and dams, 280 

 Kentucky River locks and dams, 283 

 Lang gate proportions, 265 

 Little Kanawha River locks and dams, 282 

 Louisville and Portland Canal locks, 284 

 Monongahcla River locks and dams, 285 

 Muskingum River locks and dams, 288 

 Ohio River locks and dams, 290 

 Parker gate proportions, 265 

 prominent examples of natural reservoirs, 



104 



reservoirs. 114 



Rough River locks and dams, 279 

 sizes of horses in wicket dams, 238 



props in wicket dams, 237 



Table of sizes of wickets in wicket il.nns. 339 



St. Mary's Falls Canal locks, 291 



Tennessee River locks, 291 



values of c in discharge (Trautwine), 32 

 COClVu-ieiHs ill free discharge, 33 

 m in discharge (Trautwine), 30 



Wabash River lock and dam, 293 

 Tavernicr, M., bridge dams, 247 

 Theiss River, levees on, 99 

 Theory of regularization, 50 

 Thenard, shutter dam, 252 

 Tile gauges for locks, 40 

 Topographical surveys, 20 

 Transit and chain surveys, 20 

 Transportation of sediment, 9, 14 

 Trautwine, "Engineer's Pocket-book," 30, 32 

 Triangulation surveys, 22 

 Tripping-bar for wickets, 230 

 Troja, Bohemia, movable dam at, 269 

 Tumble gates for locks, 175 



Unit stresses in wood and steel, 181 



Valves, 19? 



balanced or butterfly, 196 



cylindrical or drum, 197 



gridiron, 197 



Velocity at which materials are moved, 10 

 measurement of, 35 

 of approach, 32 



Vernon-Harcourt, principles governing outlets, 122 

 Vertical framing, lock gates, 179-181 

 Visconti, Philip, inventor of lock, 2 



Wabash River statistics, 293 



Wall gauges, 40 



War Department in charge of river work, 5 



Wharves, construction of 342 



White and Hazard, bear-trap dams, 261 



Wicket dams, 227 



American, 232, 268 



calculations, 232-238 



cost, 240 



description, 227 



dimensions, 229, 240 



history, 227 



hurters, 229 



La Mulatiere, 231 



maneuvers, 230 



remarks on, 239 



statistics. 273-290 



tripping bar, 230 

 Widths of lock chambers, 138 

 Wing- walls of locks, 158 

 Wisner, G. Y., on jetties, 124 

 Wooden lock gates, 181 

 Wrecks, removal and sale of, 347 



Zeros of gauges, datum for, 39 



