Hagerman Fossil Beds National Monument
E738321
Hagerman Fossil Beds National Monument is a U.S. National Monument renowned for its exceptionally rich late Pliocene fossil deposits, including the famous Hagerman horse.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Hagerman Fossil Beds National Monument canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T8374813 — 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: Hagerman Fossil Beds National Monument Context triple: [Gooding County, Idaho, hasProtectedArea, Hagerman Fossil Beds National Monument]
-
A.
Fossil Butte National Monument
Fossil Butte National Monument is a protected area in southwestern Wyoming renowned for its exceptionally well-preserved Eocene-era fossil beds, especially fossil fish.
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B.
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.
-
C.
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.
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D.
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.
-
E.
Dinosaur National Monument
Dinosaur National Monument is a U.S. protected area on the Colorado–Utah border renowned for its extensive dinosaur fossil beds, dramatic canyons, and rugged desert landscape.
- 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: Hagerman Fossil Beds National Monument Target entity description: Hagerman Fossil Beds National Monument is a U.S. National Monument renowned for its exceptionally rich late Pliocene fossil deposits, including the famous Hagerman horse.
-
A.
Fossil Butte National Monument
Fossil Butte National Monument is a protected area in southwestern Wyoming renowned for its exceptionally well-preserved Eocene-era fossil beds, especially fossil fish.
-
B.
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.
-
C.
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.
-
D.
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.
-
E.
Dinosaur National Monument
Dinosaur National Monument is a U.S. protected area on the Colorado–Utah border renowned for its extensive dinosaur fossil beds, dramatic canyons, and rugged desert landscape.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
U.S. National Monument
ⓘ
paleontological site ⓘ protected area ⓘ |
| containsFossilOf |
Equus simplicidens
NERFINISHED
ⓘ
Hagerman horse NERFINISHED ⓘ beavers ⓘ birds ⓘ camels ⓘ early horses ⓘ fish ⓘ ground sloths ⓘ mastodons ⓘ small mammals ⓘ |
| country | United States of America ⓘ |
| designation | National Monument ⓘ |
| ecosystem | semi-arid shrub-steppe ⓘ |
| established | 1988 ⓘ |
| establishedBy | United States Congress ⓘ |
| establishedUnder | Omnibus Public Land Management Act of 1988 NERFINISHED ⓘ |
| geologicalAge | late Pliocene ⓘ |
| hasArea |
approximately 10,800 acres
ⓘ
approximately 4,351 hectares ⓘ |
| hasFeature |
badlands topography
ⓘ
bluffs above the Snake River ⓘ |
| hasIUCNCategory | Category III ⓘ |
| hasNearestCity | Twin Falls, Idaho NERFINISHED ⓘ |
| hasPrimaryFossil | Hagerman horse ⓘ |
| hasSignificance |
important for understanding horse evolution
ⓘ
one of the richest late Pliocene fossil sites in North America ⓘ type locality for Equus simplicidens ⓘ |
| hasVisitorCenter | Hagerman Fossil Beds Visitor Center NERFINISHED ⓘ |
| knownFor |
Hagerman horse fossils
ⓘ
late Pliocene fossil deposits ⓘ |
| locatedIn |
Gooding County, Idaho
NERFINISHED
ⓘ
Idaho ⓘ |
| locatedNear | Hagerman, Idaho NERFINISHED ⓘ |
| locatedOn | Snake River NERFINISHED ⓘ |
| mainFossilLocalityAge | about 3.5 million years old ⓘ |
| managedBy | National Park Service ⓘ |
| offers |
educational programs
ⓘ
hiking trails ⓘ paleontological research opportunities ⓘ |
| partOf |
National Park System
NERFINISHED
ⓘ
Snake River Plain NERFINISHED ⓘ |
| protects |
Snake River riparian habitat
ⓘ
fossil-bearing sedimentary strata ⓘ |
| timePeriodRepresented | Blancan North American Land Mammal Age NERFINISHED ⓘ |
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: Hagerman Fossil Beds National Monument Description of subject: Hagerman Fossil Beds National Monument is a U.S. National Monument renowned for its exceptionally rich late Pliocene fossil deposits, including the famous Hagerman horse.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.