Panama Canal Zone boundary convention between the United States and Panama
Signed at Panama, September 2, 1914; ratification advised by the Senate, October 22, 1914; ratified by the President, January 4, 1915; ratified by Panama, February 8, 1915; ratifications exchanged at Panama, February 11, 1915; proclaimed, February 18, 1915.
[1732] By the President of the United States of America.
[seal.] Done at
the City of Washington
this
eighteenth day of February in the year of our Lord one thousand
nine hundred and fifteen, and of the Independence of the United
States of America the one hundred and
thirty-ninth.
Treaty Series No. 610.]