doi:10.7916/d8-p7d6-yz62Letter from the Secretary of War transmitting a letter from the Chief of Engineers, with copies of reports relative to survey of the East Channel, New York Harbor, from the Narrows to the seaAlger, R. A. 1836-1907bookstextChannels (Hydraulic engineering)--New York (State)--New York--Maintenance and repair.Harbors--New York (State)--New York.New York Harbor (N.Y. and N.J.)