Frenchman Flat
E477522
Frenchman Flat is a dry lake bed in southern Nevada best known as a major nuclear weapons testing site during the mid-20th century.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Frenchman Flat canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T4876903 — 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: Frenchman Flat Context triple: [Nevada deserts, contains, Frenchman Flat]
-
A.
Honky Château
Honky Château is a 1972 studio album by Elton John that marked a creative breakthrough with hits like "Rocket Man" and a more band-oriented rock sound.
-
B.
Bonne Pioche
Bonne Pioche is a French film and television production company known internationally for producing acclaimed documentaries such as "March of the Penguins."
-
C.
Le Bémont
Le Bémont is a small municipality in the Jura canton of Switzerland, situated on the Franches-Montagnes plateau and known for its rural, pastoral landscape.
-
D.
Moulin-à-Vent
Moulin-à-Vent is a renowned French appellation in the Beaujolais region known for producing some of its most structured, age-worthy red wines, primarily from the Gamay grape.
-
E.
La Parisienne
La Parisienne is a vibrant Fauvist portrait painting by Dutch-French artist Kees van Dongen, celebrated for its bold colors and depiction of fashionable Parisian modernity.
- 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: Frenchman Flat Target entity description: Frenchman Flat is a dry lake bed in southern Nevada best known as a major nuclear weapons testing site during the mid-20th century.
-
A.
Honky Château
Honky Château is a 1972 studio album by Elton John that marked a creative breakthrough with hits like "Rocket Man" and a more band-oriented rock sound.
-
B.
Bonne Pioche
Bonne Pioche is a French film and television production company known internationally for producing acclaimed documentaries such as "March of the Penguins."
-
C.
Le Bémont
Le Bémont is a small municipality in the Jura canton of Switzerland, situated on the Franches-Montagnes plateau and known for its rural, pastoral landscape.
-
D.
Moulin-à-Vent
Moulin-à-Vent is a renowned French appellation in the Beaujolais region known for producing some of its most structured, age-worthy red wines, primarily from the Gamay grape.
-
E.
La Parisienne
La Parisienne is a vibrant Fauvist portrait painting by Dutch-French artist Kees van Dongen, celebrated for its bold colors and depiction of fashionable Parisian modernity.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
dry lake
ⓘ
nuclear weapons test site ⓘ |
| access | restricted ⓘ |
| climate | arid desert climate ⓘ |
| contains |
concrete and steel towers
ⓘ
instrumentation bunkers ⓘ nuclear craters ⓘ railroad trestles used for blast experiments ⓘ simulated urban and industrial buildings ⓘ test structures ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| elevation | approximately 3,000 feet above sea level ⓘ |
| endDateOfAtmosphericTesting | 1962 ⓘ |
| endDateOfUndergroundTesting | 1970s ⓘ |
| environmentalStatus | radiologically contaminated in localized areas ⓘ |
| geologicFeature | playa ⓘ |
| geologicSetting | closed basin ⓘ |
| historicalUse |
blast and thermal effects research
ⓘ
civil defense experiments ⓘ weapons effects testing on structures and equipment ⓘ |
| locatedIn |
Clark County, Nevada
ⓘ
Nevada National Security Site ⓘ Nevada Test Site ⓘ
linked to:
Nevada National Security Site
southern Nevada ⓘ |
| managedBy |
United States Department of Energy
ⓘ
linked to:
U.S. Department of Energy
|
| namedAfter | Frenchman Station (historic ranch and watering stop) ⓘ |
| near |
Jackass Flats
ⓘ
Mercury, Nevada ⓘ Yucca Flat ⓘ |
| notableTestSeries |
Operation Buster-Jangle
ⓘ
linked to:
Operation Buster–Jangle
Operation Plumbbob ⓘ Operation Ranger ⓘ Operation Teapot ⓘ Operation Tumbler–Snapper ⓘ Operation Upshot–Knothole ⓘ |
| numberOfNuclearTests | approximately 100 ⓘ |
| partOf |
Great Basin Desert
ⓘ
Mojave Desert region ⓘ
linked to:
Mojave Desert
Nellis Air Force Range region ⓘ
linked to:
Nevada Test and Training Range
|
| postTestingUse |
environmental remediation studies
ⓘ
historical tours under controlled access ⓘ |
| startDateOfNuclearTesting | 1951 ⓘ |
| surfaceType | dry lake bed ⓘ |
| usedBy |
United States Atomic Energy Commission
ⓘ
United States Department of Defense ⓘ
linked to:
Department of Defense
United States Department of Energy ⓘ
linked to:
U.S. Department of Energy
|
| usedFor |
atmospheric nuclear tests
ⓘ
nuclear weapons testing ⓘ underground nuclear tests ⓘ |
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: Frenchman Flat Description of subject: Frenchman Flat is a dry lake bed in southern Nevada best known as a major nuclear weapons testing site during the mid-20th century.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.