IN FORTIFICATIONS, LOCKS, DAMS, BREAKWATERS AND
PIERS 184
Introduction--Fortification Work: Gun Emplacement, Staten Island, N. Y.,
Mortar Battery Platform, Tampa Bay, Fla., Emplacement for Battery, Tampa
Bay, Fla.; U. S. Fortification Work--Lock Walls, Cascades Canal--Locks,
Coosa River, Alabama--Lock Walls, Illinois & Mississippi Canal--Hand
Mixing and Placing Canal Lock Foundations--Breakwater at Marquette,
Mich.--Breakwater, Buffalo, N. Y.--Breakwater, Port Colborne,
Ontario--Concrete Block Pier, Superior Entry, Wisconsin--Dam, Richmond,
Ind.--Dam at McCall Ferry, Pa.--Dam at Chaudiere Falls, Quebec.