December 06, 1870
To the Senate of the United States:
Referring to my message of the 1st of February last, transmitting to the Senate, for its consideration with a view to ratification, a treaty between the United States and the United States of Colombia for the construction of an interoceanic canal across the Isthmus of Panama or Darien, signed at Bogota on the 26th of January last, I herewith submit correspondence upon the subject between the Secretary of State and the minister of the United States at Bogota, a list of which is hereto appended.
U. S. GRANT.
Ulysses S. Grant, Special Message Online by Gerhard Peters and John T. Woolley, The American Presidency Project https://www.presidency.ucsb.edu/node/203981