Memorandum # 349, Development of the Frontiers of South America, 5/31/1966,
"NSAM 349 Development/Frontiers of South America [1 of 3]," National Security Action Memorandums, NSF, Box 8,
LBJ Presidential Library,
accessed April 26, 2024,
https://www.discoverlbj.org/item/nsf-nsam349