Title: Merrimack River, Mass. and N. H. Letter from the Secretary of War, transmitting, with a letter from the Chief of Engineers, reports on preliminary examination and survey of the Merrimack River, Mass., from Lowell to the sea, and on preliminary examination of Merrimack River, from Lowell, Mass., to Manchester, N. H
Subjects: Dredging, United States, United States. Army. Corps of Engineers
Places: Manchester (N.H.)