AEC research and development reports. VUF-1021. Vela Uniform program, Project Dribble, Salmon event, Tatum Salt Dome, Miss., Oct. 22, 1964, part of experiment in seismic decoupling at nuclear level, sponsored by Advanced Research Projects Agency of Department of Defense and Atomic Energy Commission: Final report of off-site surveillance [with list of references; by] Melvin W. Carter, O. R. Placak