LM is responsible for historically significant sites, related to the Manhattan Project, the Cold War nuclear weapons complex, and the nation’s early atomic energy program. Listed below are LM sites that have associated listings on the National Register of Historic Places and sites that have associated structures recorded by the Historic American Engineering Record program in recognition of their importance in American history.
Berkeley, California, Site
- Legacy Management: Berkeley, California, Site
- National Register of Historic Places: Room 307 Gilman Hall, University Of California [Text], [Photos]
Gilman Hall, exterior view.
Boiling Nuclear Superheater (BONUS), Puerto Rico, Decommissioned Reactor Site
- Legacy Management: BONUS, Puerto Rico, Site
- National Register of Historic Places: Boiling Nuclear Superheater (BONUS) Reactor Facility
Boiling Nuclear Superheater (BONUS), Puerto Rico, Decommissioned Reactor Site.
Chicago South, Illinois, Site
Legacy Management: Chicago South, Illinois, Site
National Register of Historic Places: Room 405, George Herbert Jones Laboratory, University of Chicago [Text], [Photo]
Room 405, George Herbert Jones Laboratory, University of Chicago.
Durango, Colorado, Processing Site
- Legacy Management: Durango, Colorado, Processing Site
- Historic American Engineering Record: San Juan & New York Mining & Smelting Company, Smelter Stack, State Route 160, Durango, La Plata County, CO
- Historic American Engineering Record: San Juan & New York Mining & Smelting Company, Superintendent's House, State Route 160, Durango, La Plata County, CO
Distant view of smelter stack and large tailings pile, looking west - San Juan & New York Mining & Smelting Company, Smelter Stack, State Route 160, Durango, La Plata County, CO.
Grand Junction, Colorado, Site
- Legacy Management: Grand Junction, Colorado, Site
- National Register of Historic Places: Department of Energy, Grand Junction Office
- Historic American Engineering Record: Department of Energy, Grand Junction Office, 2597 B3/4 Road, Grand Junction, Mesa County, CO
The log cabin at the Grand Junction, Colorado, Office, circa 1943.
Mound, Ohio, Site
- Legacy Management: Mound, Ohio, Site
- Historic American Engineering Record: Department of Energy, Mound Facility, One Mound Road, Miamisburg, Montgomery County, OH
View looking southeast from the roof of OSW Building, toward E Building (center ground of image). Part of H Building is in the immediate foreground.
Naturita, Colorado, Processing Site
- Legacy Management: Naturita, Colorado, Processing Site
- Historic American Engineering Record: Vanadium Corporation of America (VCA) Naturita Mill, 3 miles Northwest of Naturita, between Highway 141 & San Miguel River, Naturita, Montrose County, CO
View to north. Vanadium Corporation of America (VCA) Naturita Mill, Office Building, 3 miles Northwest of Naturita, between Highway 141 & San Miguel River, Naturita, Montrose County, CO.
Rocky Flats Site, Colorado
- Legacy Management: Rocky Flats Site, Colorado
- National Register of Historic Places: Rocky Flats Plant [Text], [Photos]
- Historic American Engineering Record: Rocky Flats Plant, Bounded by Indiana Street & Routes 93, 128 & 72, Golden, Jefferson County, CO
- Access Control Building
- Bus Stop Shelter
- Chemical Analytical Laboratory
- Critical Mass Laboratory
- Design Laboratory
- Emergency Medical Services Facility
- Filter Test Laboratory and Warehouse
- Final Assembly and Shipping
- General Cafeteria
- General Manufacturing, Support, Records-Central Computing
- Guard Facility
- Guard Post
- Guard Tower
- Guardhouse
- Health Physics Laboratory
- Laundry Facility
- Metal Research and Development Laboratory
- Nonnuclear Production Facility
- Offices, Print Shop, and Photography Lab
- Plutonium Laboratory
- Plutonium Manufacturing Facility
- Plutonium Fabrication
- Plutonium Recovery and Fabrication Facility
- Plutonium Recovery Facility
- Security and Armory
- Source Calibration Laboratory
- Stainless Steel and Nonnuclear Components Manufacturing
- Standards Laboratory
- Storage Vault
- Transportation Modification Center
- Uranium Rolling and Forming Operations
- Vehicle Maintenance Garage and Fire Station
- Water Tower
- Waste Treatment Facility
- Water Treatment Plant
View of the Rocky Flats Plant looking west. After 38 years, weapons production ceased in 1989.