Meeting #1327, 28 January 58: « eens RE Among the discussion at this meeting, Libby discussed the question of 8 9 avoiding detection of a nuclear test by placing the weapon in an carthquake fault , either underground or submerged, and then having detonation in sequence. His inquiries of certain California seismologists had indicated that detection under conditions would vary with the medium andit was: felt that it would be difficult to detect such tests in the Pacific but not in Nevada. Meeting #1328, 31 January 58: Cnrsmemess wee TN Cane at Nk m at eget The President had approved informally the first 6 months of Hardtack . . ; but had some questions regarding the fall testing for the NTS. AL. f i rt