Local News Rocky Flats: Through The Years July 10, 2017 / 4:55 PM MDT / CBS News 1952: Rocky Flats Opens (credit: CBS) Rocky Flats Timeline 1952: Rocky Flats Opens (credit: CBS) Rocky Flats Timeline 1952-1989: Rocky Flats Workers Produce Plutonium Triggers for Hydrogen Bombs (credit: CBS) Rocky Flats Timeline Rocky Flats (credit: CBS) Rocky Flats Timeline 1989: FBI Raids Rocky Flats (credit: CBS) Rocky Flats Timeline 1989: EPA Declares Rocky Flats a Superfund Site (credit: CBS) Rocky Flats Timeline 1989: EPA Declares Rocky Flats a Superfund Site (credit: CBS) Rocky Flats Timeline 1989: EPA Declares Rocky Flats a Superfund Site (credit: CBS) Rocky Flats Timeline 1996: Environmental Clean Up Begins (credit: CBS) Rocky Flats Timeline 1996: Environmental Clean Up Begins (credit: CBS) Rocky Flats Timeline 2005: $7 Billion Clean Up Completed (credit: CBS) Rocky Flats Timeline 2012: Home Construction Begins Bordering Rocky Flats Site (credit: CBS) Rocky Flats Timeline 2012: Home Construction Begins Bordering Rocky Flats Site (credit: CBS) CBS4's special report about Rocky Flats aired in June 2017. (credit: CBS)