St. Lawrence Seaway : tariff of tolls : agreement between the United States of America and Canada, amending the agreement of March 9, 1959, as amended and supplemented, effected by exchange of notes, signed at Washington June 10 and July 12, 1994, and exchange of notes, signed at Washington August 9 and October 18, 1995.
Washington, D.C. : Dept. of State : For sale by the Supt. of Docs., U.S. G.P.O., [2000?]