Historic Sites

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 federal government's Historic Documentation Programs, program in recognition of their importance in American history.

- Legacy Management: Aliquippa, Pennsylvania, Site
- Historic American Engineering Record: Vulcan Crucible Steel Company, 100 First Street, Aliquippa, Beaver County, PA
  Vulcan Crucible Steel Company, Building No. 3, 100 First Street, Aliquippa, Beaver County, PA
- Legacy Management: Berkeley, California, Site
- National Register of Historic Places: Room 307 Gilman Hall, University Of California
Gilman Hall, exterior view.
- 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.
Legacy Management: Chicago South, Illinois, Site
National Register of Historic Places: Room 405, George Herbert Jones Laboratory, University of Chicago
Room 405, George Herbert Jones Laboratory, University of Chicago.
- 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.
- 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
  Building No. 12
  Building No. 19
  Building No. 20
  Building No. 28
  Building No. 31A
  Building No. 32
  Building No. 33
  Building No. 35
  Building No. 43
  Building No. 810
  Earthen Dike
  Test Pits
The log cabin at the Grand Junction, Colorado, Office, circa 1943.
- Legacy Management: Mound, Ohio, Site
- Historic American Buildings Survey: Department of Energy, Mound Facility, One Mound Road, Miamisburg, Montgomery County, OH
  B Building
  E Building
  HH Building
  I Building
  M Building
  R Building
  T Building
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.
- 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
  Brick Skimmer Salt Roaster
  Dryers
  Grinding Rod Mill
  Laboratory
  Mechanic Shed
  Mill Warehouse
  Mine Warehouse
  Office Building
  Sampling Building & Ore Receiving Platform
  Steel Skimmer Salt Roaster
  Water Tower
  Weighing Office & Station
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.
- Legacy Management: Piqua, Ohio, Decommissioned Reactor Site
- Historic American Engineering Record: Piqua Nuclear Power Facility, Bridge Street, Piqua, Miami County, OH
View of the Rocky Flats Plant looking west. After 38 years, weapons production ceased in 1989.