United States. Congress. House. Committee on Commerce & ProQuest (Firm). (1880). Harbor at Rock Island, Ill. Letter from the Secretary of War, relative to an obstruction of the Harbor at Rock Island, Ill. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Commerce and ProQuest (Firm). Harbor at Rock Island, Ill. Letter from the Secretary of War, Relative to an Obstruction of the Harbor at Rock Island, Ill. Washington: [publisher not identified], 1880.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on Commerce and ProQuest (Firm). Harbor at Rock Island, Ill. Letter from the Secretary of War, Relative to an Obstruction of the Harbor at Rock Island, Ill. [publisher not identified], 1880.
Warning: These citations may not always be 100% accurate.