Nevada Test Site, Frenchman Flat Test Facility, Main Switching Bunker, Intersection of 5-03 Road & Short Pole Line Road, Area 5, Frenchman Flat, Mercury, Nye County, NV

Significance: The F-370 Building has been determined eligible to the National Register of Historic Places because of its association with historical events of exceptional importance. This poured-concrete structure was a signal switching station constructed to provide housing for electrical equipment that supported the timing and firing aspects of nuclear weapons testing. Today, it provides a link between the U.S. nuclear weapons testing programs and the infrastructural support required by the establishment of an atomic weapons test site.
Survey number: HAER NV-37-A
Building/structure dates: 1951 Initial Construction