Potomac River. Two 4-lane highway bridges across Potomac River, Washington, D. C., hearings before bridge subcommittee, 79th Congress, 1st session, on H. R. 541, authorizing and directing commissioners of District of Columbia to construct two 4-lane bridges to replace existing 14th Street or Highway Bridge across Potomac River, May 11-Dec. 19, 1945.

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