United States. Congress. House. Committee on Commerce, ProQuest (Firm), & United States. War Department. (1870). Improvement of the Upper Mississippi River. Letter from the Secretary of War in answer to a resolution of the House of Representatives of May 18, in relation to the improvement of the Upper Mississippi River. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Commerce, ProQuest (Firm), and United States. War Department. Improvement of the Upper Mississippi River. Letter from the Secretary of War in Answer to a Resolution of the House of Representatives of May 18, in Relation to the Improvement of the Upper Mississippi River. Washington: [publisher not identified], 1870.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on Commerce, et al. Improvement of the Upper Mississippi River. Letter from the Secretary of War in Answer to a Resolution of the House of Representatives of May 18, in Relation to the Improvement of the Upper Mississippi River. [publisher not identified], 1870.