Keywords: Plumbbob Boltzmann 003.jpg en Operation Plumbbob Boltzmann test Early stages of the fireball Nevada Test Site Guide http //www nv energy gov/library/publications/historical/DOENV_715_Rev1 pdf DOE/NV-715 Federal Government of the United States 1957-05-28 PD-USGov Plumbbob Boltzmann Photos taken with Rapatronic cameras |