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GENERAL INDEX Page Ore & Coal Exchange Cargo Coal—Bituminous ................484-B Ore Unloading Docks of Great Lakes.........................365-373 Outstanding Year for Great Lakes Commerce....................486 Passenger Boats of Great Lakes..............................209-213 Pennsylvania Zinc Mine .........................................500 Principal Waterways & Locks Tributary to the Great Lakes.. .334-335 Record Cargoes..................................................312 Record Ore Loading Docks of Great Lakes.......................481 Sailing Distances ............................................234-244 Self-unloading Boats on Great Lakes.........................183-185 Statistical Report Lakes Commerce—Sault Ste. Marie, Michigan & Ontario .........................................496 Status of Docks & Dams—Controlling Clearances.................331 Steamship Corporations of Great Lakes......................230-232 Stoker Fired Steamers...........................................232 Terminals Location on New York State Canal................319-320 Title Page ....................................................... 13 Tonnages—Gross, Net & Displacement...........................333 Tugs of the Great Lakes—Atomic, Dakota, Deluge, Roger.....295-309 Tugs Whose Names have been changed.......................291-293 Upper Lakes Ore Dock Agents....................................481 Upper Mississippi River Locks & Dams...........................330 Upper Mississippi Valley Division ................................329 Vessel Dispatch—Duluth-Superior Coal Docks....................496 Wheat & Rye Rates, 1951 ........................................485 ILLUSTRATIONS Atomic, Tug ......................................................78 Berwind, E. J., Str................................................40 Calumet Harbor Terminal Dock...................................84 Canopus, Str......................................................81 Carrollton, Str....................................................54 Chesapeake & Ohio R.R. Company Iron Ore Docks................95 Cleveland Stevedore Company (New River Front Terminal) .......72 Cornelius, Adam E., Str...........................................58 Page Deluge, Tug—Milwaukee's New Fire Tug .........................309 Donnelly, Charles, Str............................................501 Dravo Ore Unloader—Ore Bridges & Cranes....................28-29 Empire-Hanna Coal Co., Ltd......................................62 Frantz, Joseph A., Str.............................................52 Hartwell, Fred. G., Str...........................................364 Hiram Walker Grain Elevator.....................................26 Hochelaga, Str.................................................32-D Lannan Coal Dock................................................20 Marine Railway at Sorel, Quebec.................................. 7 Mather, Samuel, Str..............................................46 Mather, William G., Str...........................................42 Milwaukee Clipper, Str........... .............................32-F Milwaukee Harbor Terminal......................................44 New York State Canal System....................................70 Nicholson Terminal & Dock Company.............................60 North Dakota, Tug.............................................32-H Norisle, Str......................................................208 North Western-Hanna Coal Dock.................................74 Oglebay, Crispin, Str. (Self-unloader) .............................14 Paisley, Robert J., Str. (Self-unloader) ..........................88 Pine Ridge Coal Company (Fuel Dock) ............................76 Plimsol Mark for Ships...........................................38 Port Huron Coal & Dock..........................................56 Post, G.G., Str....................................................91 Rahr Malting Plant..............................................336 Rail to Water Transfer (Coal Dock) ............................18-19 Roger, Tug ......................................................294 Sensibar, J. R., Str. (Self-unloader) ..............................182 Sullivan Bros., Str.................................................51 Sykes, Wilfred, Str................................................ 4 Toledo Lake Front Docks.........................................22 Valley Camp, Str..................................................24 Waterways from Great Lakes to the Gulf.........................82 Weather Signals ...............................................32-C Wolf, William H., Str..............................................68 505