AEC research and development reports. PNE-226P. Plowshare, peaceful uses for nuclear explosives, Plowshare program, Project Sedan, Nevada test site, July 6, 1962, final report: preliminary report: Close-in effects of underground nuclear detonation on small mammals and selected invertebrates [with list of references; by] D. M. Allred, D. E. Beck, C. D. Jorgensen.