Participation of the United States Government in the Second Pan American Congress of Mining Engineering and Geology, Rio de Janeiro, October 1, 1946
[50] Memorandum to President Truman by the Acting Secretary of State
[Washington,] September 23, 1946.
563 Rio de Janeiro/9–2446
[51] The Acting Secretary of State to the Chairman of the American Delegation to the Second Pan American Congress of Mining Engineering and Geology (Daniels)
Washington, September 28, 1946.
563 Rio de Janeiro/9–2846
[52] The Chairman of the American Delegation to the Second Pan American Congress of Mining Engineering and Geology (Daniels) to the Secretary of State
Rio de
Janeiro, October 22, 1946.
563 Rio de Janeiro/10–2246