Agreement between the United States and Uruguay regarding completion of hydroelectric project on Rio Negro 50
50. For previous correspondence respecting the Rio Negro project, see Foreign Relations, 1941, vol. vii, pp. 594 ff.
 The Secretary of State to the Ambassador in Uruguay (Dawson)
Washington, January 7, 1942.
 Memorandum of Agreement Initialed by the Under Secretary of State (Welles) and the Uruguayan Ambassador (Blanco)
Washington , April 21, 1942.