Fossil Butte National Monument
E720764
Fossil Butte National Monument is a protected area in southwestern Wyoming renowned for its exceptionally well-preserved Eocene-era fossil beds, especially fossil fish.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Fossil Butte | 1 |
| Fossil Butte National Monument canonical | 1 |
| Fossil Butte Visitor Center | 1 |
| Fossil Lake fossil beds | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8235967 — 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: Fossil Butte National Monument Context triple: [Kemmerer, Wyoming, near, Fossil Butte National Monument]
-
A.
John Day Fossil Beds National Monument
John Day Fossil Beds National Monument is a U.S. National Park Service site in Oregon renowned for its well-preserved fossil beds that document over 40 million years of plant and animal evolution.
-
B.
Agate Fossil Beds National Monument
Agate Fossil Beds National Monument is a protected area in western Nebraska renowned for its exceptionally rich Miocene-era fossil deposits and preserved prairie landscape.
-
C.
Florissant Fossil Beds National Monument
Florissant Fossil Beds National Monument is a protected area in central Colorado renowned for its exceptionally well-preserved Eocene-era plant and insect fossils, including large petrified redwood stumps.
-
D.
Devils Tower National Monument
Devils Tower National Monument is a striking igneous rock formation in northeastern Wyoming renowned as a sacred site to Native American tribes and a popular destination for climbers and sightseers.
-
E.
Chimney Rock National Monument
Chimney Rock National Monument is a protected archaeological and cultural site in southwestern Colorado known for its dramatic twin rock pinnacles and well-preserved Ancestral Puebloan ruins.
- 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: Fossil Butte National Monument Target entity description: Fossil Butte National Monument is a protected area in southwestern Wyoming renowned for its exceptionally well-preserved Eocene-era fossil beds, especially fossil fish.
-
A.
John Day Fossil Beds National Monument
John Day Fossil Beds National Monument is a U.S. National Park Service site in Oregon renowned for its well-preserved fossil beds that document over 40 million years of plant and animal evolution.
-
B.
Agate Fossil Beds National Monument
Agate Fossil Beds National Monument is a protected area in western Nebraska renowned for its exceptionally rich Miocene-era fossil deposits and preserved prairie landscape.
-
C.
Florissant Fossil Beds National Monument
Florissant Fossil Beds National Monument is a protected area in central Colorado renowned for its exceptionally well-preserved Eocene-era plant and insect fossils, including large petrified redwood stumps.
-
D.
Devils Tower National Monument
Devils Tower National Monument is a striking igneous rock formation in northeastern Wyoming renowned as a sacred site to Native American tribes and a popular destination for climbers and sightseers.
-
E.
Chimney Rock National Monument
Chimney Rock National Monument is a protected archaeological and cultural site in southwestern Colorado known for its dramatic twin rock pinnacles and well-preserved Ancestral Puebloan ruins.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf | national monument ⓘ |
| administeredBy | National Park Service ⓘ |
| area | about 8,200 acres ⓘ |
| contains |
Fossil Butte
ⓘ
linked to:
Fossil Butte National Monument
Fossil Butte Visitor Center ⓘ
linked to:
Fossil Butte National Monument
|
| country |
United States
ⓘ
linked to:
United States of America
|
| createdToProtect |
Fossil Lake fossil beds
ⓘ
linked to:
Fossil Butte National Monument
|
| designation | U.S. National Monument ⓘ |
| ecosystem | semi-arid shrubland ⓘ |
| elevation | high-elevation desert plateau ⓘ |
| established | 1972 ⓘ |
| establishedBy | United States Congress ⓘ |
| fossilPreservationType | lagerstätte ⓘ |
| geologicalAge | Eocene ⓘ |
| geologicalFormation | Green River Formation ⓘ |
| governingBody | National Park Service ⓘ |
| hasFossilRecord | Eocene lake ecosystem ⓘ |
| hasInterpretiveProgram |
educational exhibits
ⓘ
ranger-led programs ⓘ |
| hasRecreationalActivity |
photography
ⓘ
wildlife viewing ⓘ |
| hasVisitorCenterFeature | fossil preparation lab viewing area ⓘ |
| IUCNCategory | III ⓘ |
| knownFor |
Eocene fossil beds
ⓘ
exceptionally well-preserved fossils ⓘ fossil birds ⓘ fossil fish ⓘ fossil insects ⓘ fossil plants ⓘ fossil reptiles ⓘ |
| locatedIn |
Green River Basin
ⓘ
Lincoln County, Wyoming ⓘ Wyoming ⓘ |
| locatedInRegion | southwestern Wyoming ⓘ |
| nearestCity | Kemmerer, Wyoming ⓘ |
| offers |
fossil exhibits
ⓘ
hiking trails ⓘ scenic drives ⓘ |
| partOf | United States National Park System ⓘ |
| preserves | Fossil Lake deposits ⓘ |
| primaryFossilType | freshwater fish ⓘ |
| protectedFor |
paleontological resources
ⓘ
public education ⓘ scientific research ⓘ |
| state | Wyoming ⓘ |
| timePeriodRepresented |
Eocene Epoch
ⓘ
linked to:
Eocene
Paleogene ⓘ |
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: Fossil Butte National Monument Description of subject: Fossil Butte National Monument is a protected area in southwestern Wyoming renowned for its exceptionally well-preserved Eocene-era fossil beds, especially fossil fish.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Fossil Butte National Monument
linked to: Fossil Butte National Monument
linked to: Fossil Butte National Monument