Rocky Flats Plant, Critical Massachusetts Laboratory, Intersection of Central Avenue & 86 Drive, Golden, Jefferson County, CO

Significance: This building is a primary contributor to the Rocky Flats Plant historic district, associated with the U.S. strategy of nuclear military deterrence during the Cold War, a strategy considered of major importance in preventing Soviet nuclear attack on the U.S. This building was one of five critical mass laboratories in the nation that performed critically measurements on a variety of fissile materials. The purpose of these experiments was to set safety standards for fissile material safety...
Survey number: HAER CO-83-A
National Register of Historic Places NRIS Number: 97000377