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