72 Stat. 180
72 Stat. 180; United States Statutes at Large, Volume 72, 85th Congress, 2nd Session; An Act to amend the act entitled ""An Act to authorize and direct the construction of bridges over the Potomac River, and for other purposes,"" approved August 30, 1954;
Public Law 85-446
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72 Stat. 180
U.S. Statutes at Large
PDF - https://www.govinfo.gov/link/statute/72/180?link-type=pdf
We also found 2 parallel citations:
HTML - https://www.govtrack.us/congress/bills/85/hr12356/text
H.R. 12356 (85th Congress)
U.S. Legislation
HTML - https://www.govtrack.us/congress/bills/85/hr12356/text
U.S. Government Publishing Office