Memorandum # 359, Assignment of Highest National Priority to GRAVEL, CBU 24/29, and DRAGONTOOTH, 1/26/1967,
"NSAM 359 [Assignment of Highest Nat'l Priority to GRAVEL, CBU 24/29, and DRAGONTOOTH]," National Security Action Memorandums, NSF, Box 9,
LBJ Presidential Library,
accessed May 02, 2024,
https://www.discoverlbj.org/item/nsf-nsam359