Yucca Mountain
E174473
Yucca Mountain is a mountain in the Nevada desert best known as the proposed site for the United States’ deep geological repository for high-level nuclear waste.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Yucca Mountain canonical | 1 |
| Yucca Mountain groundwater system | 1 |
| Yucca Mountain nuclear waste repository program | 1 |
| Yucca Mountain nuclear waste repository site | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1496029 — 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: Yucca Mountain Context triple: [Nye County, contains, Yucca Mountain]
-
A.
Waste Isolation Pilot Plant
The Waste Isolation Pilot Plant is a deep geological repository in New Mexico designed for the long-term disposal of transuranic radioactive waste from U.S. nuclear weapons production.
-
B.
Nevada National Security Site
The Nevada National Security Site is a U.S. Department of Energy reservation in southern Nevada historically used for nuclear weapons testing and now for national security research, training, and hazardous materials experiments.
-
C.
Hanford Site, Washington
Hanford Site, Washington is a large decommissioned nuclear production complex along the Columbia River that was central to U.S. plutonium production during and after World War II and is now one of the nation’s most challenging environmental cleanup sites.
-
D.
Groom Lake
Groom Lake is a remote dry lakebed in southern Nevada best known as the location of the highly secretive U.S. Air Force facility commonly referred to as Area 51.
-
E.
Ruby Dome
Ruby Dome is a prominent mountain peak in northeastern Nevada, known as the highest summit in the Ruby Mountains range.
- 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: Yucca Mountain Target entity description: Yucca Mountain is a mountain in the Nevada desert best known as the proposed site for the United States’ deep geological repository for high-level nuclear waste.
-
A.
Waste Isolation Pilot Plant
The Waste Isolation Pilot Plant is a deep geological repository in New Mexico designed for the long-term disposal of transuranic radioactive waste from U.S. nuclear weapons production.
-
B.
Nevada National Security Site
The Nevada National Security Site is a U.S. Department of Energy reservation in southern Nevada historically used for nuclear weapons testing and now for national security research, training, and hazardous materials experiments.
-
C.
Hanford Site, Washington
Hanford Site, Washington is a large decommissioned nuclear production complex along the Columbia River that was central to U.S. plutonium production during and after World War II and is now one of the nation’s most challenging environmental cleanup sites.
-
D.
Groom Lake
Groom Lake is a remote dry lakebed in southern Nevada best known as the location of the highly secretive U.S. Air Force facility commonly referred to as Area 51.
-
E.
Ruby Dome
Ruby Dome is a prominent mountain peak in northeastern Nevada, known as the highest summit in the Ruby Mountains range.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
mountain
ⓘ
proposed nuclear waste repository site ⓘ |
| annualPrecipitation | low ⓘ |
| climate |
arid
ⓘ
desert climate ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| distanceFromLasVegas | about 100 miles northwest of Las Vegas ⓘ |
| elevation |
approximately 1,500 meters above sea level
ⓘ
approximately 4,900 feet above sea level ⓘ |
| federalProject |
United States Department of Energy
ⓘ
linked to:
U.S. Department of Energy
|
| geology |
ash-flow tuff formations
ⓘ
fractured volcanic rock ⓘ volcanic tuff ⓘ |
| hostRockAge | Tertiary volcanic rocks ⓘ |
| hydrology |
deep groundwater table
ⓘ
limited surface water ⓘ |
| knownFor |
controversial nuclear waste storage project
ⓘ
proposed deep geological repository for high-level nuclear waste ⓘ |
| locatedIn |
Basin and Range Province
ⓘ
Mojave Desert region ⓘ
linked to:
Mojave Desert
Nevada ⓘ Nevada desert ⓘ
linked to:
Nevada deserts
Nye County, Nevada ⓘ
linked to:
Nye County
southwestern Nevada ⓘ |
| managementAgency | U.S. Department of Energy Office of Civilian Radioactive Waste Management ⓘ |
| near |
Nevada National Security Site
ⓘ
former Nevada Test Site ⓘ |
| opposedBy |
State of Nevada government
ⓘ
linked to:
Government of Nevada
environmental groups ⓘ |
| partOf |
Great Basin region
ⓘ
linked to:
Great Basin
Nevada Test Site vicinity ⓘ |
| proposedRepositoryType | deep geological repository ⓘ |
| proposedWasteType |
defense-related high-level radioactive waste
ⓘ
high-level radioactive waste ⓘ spent nuclear fuel ⓘ |
| purpose | long-term isolation of high-level radioactive waste ⓘ |
| regulatoryAgency |
U.S. Environmental Protection Agency
ⓘ
U.S. Nuclear Regulatory Commission ⓘ |
| repositoryDepth | hundreds of meters below the surface ⓘ |
| repositoryMedium | tunnel system in volcanic rock ⓘ |
| repositoryStatus |
licensing process suspended
ⓘ
proposed but not operating ⓘ |
| safetyConcept |
geologic isolation over tens of thousands of years
ⓘ
multi-barrier containment system ⓘ |
| seismicity | seismically active region ⓘ |
| selectedAsRepositorySite | 1987 ⓘ |
| subjectOf |
environmental impact assessments
ⓘ
legal challenges ⓘ political controversy ⓘ |
| supportedBy | some U.S. federal policymakers ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Yucca Mountain Description of subject: Yucca Mountain is a mountain in the Nevada desert best known as the proposed site for the United States’ deep geological repository for high-level nuclear waste.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
Death Valley regional hydrologic system
→
hasHydrologicConnectionWith
→
Yucca Mountain groundwater system
ⓘ
linked to: Yucca Mountain
linked to: Yucca Mountain
U.S. Department of Energy Office of Civilian Radioactive Waste Management
→
mainProject
→
Yucca Mountain nuclear waste repository program
ⓘ
linked to: Yucca Mountain