United States. Congress. House. Committee on Interstate and Foreign Commerce & ProQuest (Firm). (1921). Bridge across Lock No. 4 of canal and locks, Willamette Falls, Oreg. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Interstate and Foreign Commerce and ProQuest (Firm). Bridge Across Lock No. 4 of Canal and Locks, Willamette Falls, Oreg. Washington: [publisher not identified], 1921.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on Interstate and Foreign Commerce and ProQuest (Firm). Bridge Across Lock No. 4 of Canal and Locks, Willamette Falls, Oreg. [publisher not identified], 1921.
Warning: These citations may not always be 100% accurate.