The DOE Office of Legacy Management took responsibility for the Bronco, Colorado, Site in 2019. The U.S. Atomic Energy Commission conducted site activities under the Plowshare Program in the 1960s. The goal of the program was to use nuclear explosives for peaceful purposes. The Plowshare Program includes sites managed by LM where non-nuclear tests were conducted or where planned nuclear tests were canceled. LM performs minor maintenance and keeps records and histories for these sites. For more information about the Plowshare Program sites, view the fact sheet.
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