United States. Congress. Senate. Committee on Irrigation and Reclamation, ProQuest (Firm), & United States. Congress. House. Committee on Irrigation and Reclamation. (1931). Protection and Development of Umatilla Rapids in the Columbia River: Hearings before the United States Senate Committee on Irrigation and Reclamation, and House Committee on Irrigation and Reclamation, Seventy-First Congress, third session, on Jan. 15, 16, 1931. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. Senate. Committee on Irrigation and Reclamation, ProQuest (Firm), and United States. Congress. House. Committee on Irrigation and Reclamation. Protection and Development of Umatilla Rapids in the Columbia River: Hearings Before the United States Senate Committee on Irrigation and Reclamation, and House Committee on Irrigation and Reclamation, Seventy-First Congress, Third Session, on Jan. 15, 16, 1931. Washington: U.S. G.P.O., 1931.
MLA (9th ed.) CitationUnited States. Congress. Senate. Committee on Irrigation and Reclamation, et al. Protection and Development of Umatilla Rapids in the Columbia River: Hearings Before the United States Senate Committee on Irrigation and Reclamation, and House Committee on Irrigation and Reclamation, Seventy-First Congress, Third Session, on Jan. 15, 16, 1931. U.S. G.P.O., 1931.