Title: Niagara River, N. Y. Letter from the Secretary of War transmitting report from the Chief of Engineers on preliminary examination and survey of Niagara River, N. Y.: the East Channel, from the end of the present 23-foot channel to the westerly boundary of Sugar Street, Niagara Falls
Subjects: Navigation, Topographical surveying
Places: Niagara River (N.Y. and Ont.)