United States. Congress. Senate. Committee on Commerce, ProQuest (Firm), & United States. War Department. (1879). Letter from the Secretary of War, communicating, in obedience to law, a report of Maj. G. L. Gillespie, Corps of Engineers, of a survey of the bar at the mouth of the Columbia River, Oregon. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Congress. Senate. Committee on Commerce, ProQuest (Firm), and United States. War Department. Letter from the Secretary of War, Communicating, in Obedience to Law, a Report of Maj. G. L. Gillespie, Corps of Engineers, of a Survey of the Bar at the Mouth of the Columbia River, Oregon. Washington: [publisher not identified], 1879.
MLA (9th ed.) CitationUnited States. Congress. Senate. Committee on Commerce, et al. Letter from the Secretary of War, Communicating, in Obedience to Law, a Report of Maj. G. L. Gillespie, Corps of Engineers, of a Survey of the Bar at the Mouth of the Columbia River, Oregon. [publisher not identified], 1879.