Share article to Workers look at the burned out glovebox where the 1957 fire began on September 11. It was the first large conflagration at the Rocky Flats plant. Map: Image by: US Department of EnergySource: http://www.lm.doe.gov/land/sites/co/rocky_flats/haer/base/high_res/B771_N_2.jpgCopyright Notes: Images courtesy of U.S. Department of Energy.