Manhattan Project National Historical Park (Oak Ridge unit)

E156394

national historical park unit protected area

The Manhattan Project National Historical Park (Oak Ridge unit) is a U.S. national historical park site in Oak Ridge, Tennessee, that preserves and interprets key facilities and stories from the World War II–era atomic bomb development program.

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All labels observed (4)

Label	Occurrences
Manhattan Project National Historical Park	4
Manhattan Project National Historical Park (Oak Ridge unit) canonical	1
Manhattan Project National Historical Park (site area)	1
Manhattan Project National Historical Park – Oak Ridge unit	1

How this entity was disambiguated

This entity first appeared as the object of triple T1363697 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Manhattan Project National Historical Park (Oak Ridge unit)
Context triple: [Site X, heritageDesignation, Manhattan Project National Historical Park (Oak Ridge unit)]

A. Y-12 National Security Complex
The Y-12 National Security Complex is a U.S. Department of Energy facility central to nuclear weapons production, uranium processing, and national security operations.
B. Oak Ridge Reservation
Oak Ridge Reservation is a large U.S. Department of Energy site in Oak Ridge, Tennessee, historically central to the Manhattan Project and now a major center for nuclear research, environmental management, and national security work.
C. Oak Ridge History Museum
The Oak Ridge History Museum is a local institution dedicated to preserving and interpreting the history of Oak Ridge’s role in the Manhattan Project and the development of nuclear science.
D. Manhattan Project National Historical Park (Los Alamos unit)
The Manhattan Project National Historical Park (Los Alamos unit) is a U.S. national historical park site that preserves and interprets key locations associated with the development of the atomic bomb during World War II in Los Alamos, New Mexico.
E. Manhattan Project sites
Manhattan Project sites are historically significant locations across the United States associated with the research, development, and testing of the first nuclear weapons during World War II.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Manhattan Project National Historical Park (Oak Ridge unit)
Target entity description: The Manhattan Project National Historical Park (Oak Ridge unit) is a U.S. national historical park site in Oak Ridge, Tennessee, that preserves and interprets key facilities and stories from the World War II–era atomic bomb development program.

A. Y-12 National Security Complex
The Y-12 National Security Complex is a U.S. Department of Energy facility central to nuclear weapons production, uranium processing, and national security operations.
B. Oak Ridge Reservation
Oak Ridge Reservation is a large U.S. Department of Energy site in Oak Ridge, Tennessee, historically central to the Manhattan Project and now a major center for nuclear research, environmental management, and national security work.
C. Oak Ridge History Museum
The Oak Ridge History Museum is a local institution dedicated to preserving and interpreting the history of Oak Ridge’s role in the Manhattan Project and the development of nuclear science.
D. Manhattan Project National Historical Park (Los Alamos unit)
The Manhattan Project National Historical Park (Los Alamos unit) is a U.S. national historical park site that preserves and interprets key locations associated with the development of the atomic bomb during World War II in Los Alamos, New Mexico.
E. Manhattan Project sites
Manhattan Project sites are historically significant locations across the United States associated with the research, development, and testing of the first nuclear weapons during World War II.
F. None of above. chosen

Statements (47)

Predicate	Object
instanceOf	national historical park unit ⓘ protected area ⓘ
category	Nuclear history site in the United States ⓘ Protected areas of Anderson County, Tennessee ⓘ Protected areas of Roane County, Tennessee ⓘ World War II museum in the United States ⓘ
coManagedBy	U.S. Department of Energy ⓘ
contains	Graphite Reactor at Oak Ridge ⓘ linked to: X-10 graphite reactor K-25 plant interpretive areas ⓘ X-10 site interpretive facilities ⓘ visitor contact facilities in Oak Ridge ⓘ
coordinateSystem	World Geodetic System 1984 ⓘ linked to: WGS84
country	United States of America ⓘ
establishedBy	U.S. Congress ⓘ linked to: United States Congress
governingBody	U.S. Department of the Interior ⓘ linked to: United States Department of the Interior
hasHeritageDesignation	U.S. National Historical Park ⓘ linked to: National Historical Parks of the United States
hasWebsite	https://www.nps.gov/mapr/index.htm ⓘ
historicalPeriod	World War II ⓘ
inception	2015 ⓘ
interprets	ethical and environmental legacies of nuclear weapons ⓘ history of the Manhattan Project in Oak Ridge ⓘ social and community history of Oak Ridge ⓘ stories of scientists, engineers, and workers ⓘ
languageOfWorkOrName	English ⓘ
legislatedBy	National Defense Authorization Act for Fiscal Year 2015 ⓘ
locatedIn	Anderson County, Tennessee ⓘ Oak Ridge, Tennessee ⓘ Roane County, Tennessee ⓘ Tennessee ⓘ
managedBy	National Park Service ⓘ
namedAfter	Manhattan Project ⓘ
offers	educational programs ⓘ guided tours ⓘ historical exhibits ⓘ
operator	National Park Service rangers ⓘ linked to: National Park Service
partOf	Manhattan Project National Historical Park ⓘ linked to: Manhattan Project National Historical Park (Oak Ridge unit) federal government heritage tourism sites ⓘ
preserves	historic facilities of the Manhattan Project ⓘ sites related to plutonium production research ⓘ sites related to uranium enrichment ⓘ
primaryTopicOf	interpretation of World War II nuclear weapons development ⓘ
significantEvent	development of components of the first atomic bombs ⓘ
theme	Manhattan Project ⓘ atomic bomb development ⓘ nuclear weapons history ⓘ science and technology history ⓘ
tourismType	heritage tourism ⓘ

How these facts were elicited