The Bikini Atoll Survey "Operation Crossroads," 1946-47 Operation Crossroads Smithsonian Natural Museum of Natural History Bikini Scientific Resurvey detonated a couple of atomic bombs there The Bikini Atoll Survey "Operation Crossroads," 1946-47 biological survey of the area biological survey of the area Scientific Resurvey Smithsonian Natural Museum of Natural History Smithsonian scientists surveyed the reef Smithsonian and Operation Crossroads