Groom Mine
E521276
Groom Mine is a historic, now-abandoned mining site in Lincoln County, Nevada, long owned by a local family and notable for its proximity to the secretive U.S. military installation at Groom Lake (Area 51).
All labels observed (1)
| Label | Occurrences |
|---|---|
| Groom Mine canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T5457537 — 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: Groom Mine Context triple: [Groom Lake, namedAfter, Groom Mine]
-
A.
Stony Gut
Stony Gut is a historic site in Jamaica known as the birthplace and rallying ground of national hero Paul Bogle and the 1865 Morant Bay Rebellion.
-
B.
Gravel Pit
"Gravel Pit" is a popular single by the Wu-Tang Clan known for its distinctive beat, playful lyrics, and memorable prehistoric-themed music video.
-
C.
Dunvant
Dunvant is a suburban village and community in the City and County of Swansea in south Wales.
-
D.
The Glen
The Glen is a residential neighborhood located adjacent to the Palacefields area.
-
E.
The Glen
The Glen is a historic public park in Dunfermline, Scotland, known for its landscaped grounds, woodland walks, and cultural significance as part of Pittencrieff Park.
- 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: Groom Mine Target entity description: Groom Mine is a historic, now-abandoned mining site in Lincoln County, Nevada, long owned by a local family and notable for its proximity to the secretive U.S. military installation at Groom Lake (Area 51).
-
A.
Stony Gut
Stony Gut is a historic site in Jamaica known as the birthplace and rallying ground of national hero Paul Bogle and the 1865 Morant Bay Rebellion.
-
B.
Gravel Pit
"Gravel Pit" is a popular single by the Wu-Tang Clan known for its distinctive beat, playful lyrics, and memorable prehistoric-themed music video.
-
C.
Dunvant
Dunvant is a suburban village and community in the City and County of Swansea in south Wales.
-
D.
The Glen
The Glen is a residential neighborhood located adjacent to the Palacefields area.
-
E.
The Glen
The Glen is a historic public park in Dunfermline, Scotland, known for its landscaped grounds, woodland walks, and cultural significance as part of Pittencrieff Park.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
abandoned mine
ⓘ
historic mining site ⓘ |
| accessRestrictedBy | United States Air Force ⓘ |
| approximateDistanceTo | a few miles from Groom Lake airfield ⓘ |
| country | United States of America ⓘ |
| elevation | approximately 1700 meters above sea level ⓘ |
| environment | arid desert climate ⓘ |
| geology |
hosted in sedimentary and volcanic rocks
ⓘ
mineralized veins containing silver and lead ⓘ |
| hasStructure |
abandoned buildings
ⓘ
access road ⓘ adits ⓘ mine shafts ⓘ tailings piles ⓘ |
| hasUse |
copper mining
ⓘ
gold mining ⓘ lead mining ⓘ silver mining ⓘ |
| heritageStatus | historic site ⓘ |
| involvedIn | land dispute with U.S. government ⓘ |
| landTenure | private inholding within military-controlled region ⓘ |
| legalStatus | subject to federal acquisition efforts ⓘ |
| locatedIn |
Groom Range
ⓘ
Lincoln County, Nevada ⓘ Nevada ⓘ |
| locatedNear |
Area 51
ⓘ
linked to:
Groom Lake
Groom Lake ⓘ Nellis Air Force Range ⓘ
linked to:
Nevada Test and Training Range
Nevada Test and Training Range ⓘ |
| mediaCoverage | subject of news reports about Area 51 land disputes ⓘ |
| nearbyCity |
Alamo, Nevada
ⓘ
Rachel, Nevada ⓘ |
| notableFor |
long-term private family ownership
ⓘ
proximity to Area 51 ⓘ views of Groom Lake airfield ⓘ |
| ownedBy | Sheahan family ⓘ |
| partOf | Groom mining district ⓘ |
| region | south-central Nevada ⓘ |
| securityContext | within broader Area 51 security perimeter ⓘ |
| significantEvent |
decline of mining operations in mid-20th century
ⓘ
mining operations expanded in early 20th century ⓘ |
| startDate | 19th century ⓘ |
| status | abandoned ⓘ |
| timeZone | Pacific Time Zone ⓘ |
| transportAccess | unimproved dirt road ⓘ |
| usedFor |
family residence during active mining period
ⓘ
small-scale independent mining ⓘ |
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: Groom Mine Description of subject: Groom Mine is a historic, now-abandoned mining site in Lincoln County, Nevada, long owned by a local family and notable for its proximity to the secretive U.S. military installation at Groom Lake (Area 51).
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.