John Day Fossil Beds National Monument

E627802

national monument paleontological site

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.

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All labels observed (9)

Label	Occurrences
John Day Fossil Beds National Monument canonical	7
Clarno Unit of John Day Fossil Beds National Monument	2
John Day Fossil Beds area	2
Sheep Rock Unit of John Day Fossil Beds National Monument	2
John Day Fossil Beds National Monument (Sheep Rock Unit vicinity)	1
John Day Fossil Beds National Monument region	1
John Day Fossil Beds region	1
John Day Fossil Beds region nearby	1
Painted Hills Unit of John Day Fossil Beds National Monument	1

How this entity was disambiguated

This entity first appeared as the object of triple T6912729 — 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: John Day Fossil Beds National Monument
Context triple: [Eastern Oregon, hasProtectedArea, John Day Fossil Beds National Monument]

A. 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.
B. Petrified Forest National Park
Petrified Forest National Park is a U.S. national park renowned for its vast deposits of colorful fossilized wood, striking badlands landscapes, and rich paleontological and archaeological resources.
C. Timpanogos Cave National Monument
Timpanogos Cave National Monument is a protected cave system in the Wasatch Range renowned for its colorful limestone formations and guided underground tours.
D. 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.
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: John Day Fossil Beds National Monument
Target entity description: 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.

A. 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.
B. Petrified Forest National Park
Petrified Forest National Park is a U.S. national park renowned for its vast deposits of colorful fossilized wood, striking badlands landscapes, and rich paleontological and archaeological resources.
C. Timpanogos Cave National Monument
Timpanogos Cave National Monument is a protected cave system in the Wasatch Range renowned for its colorful limestone formations and guided underground tours.
D. 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.
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 ⓘ paleontological site ⓘ
containsFossilsOf	camels ⓘ early horses ⓘ invertebrates ⓘ mammals ⓘ plants ⓘ rhinoceroses ⓘ saber-toothed predators ⓘ
country	United States ⓘ linked to: United States of America
documents	over 40 million years of animal evolution ⓘ over 40 million years of plant evolution ⓘ
ecosystem	riparian zones ⓘ semi-arid shrubland ⓘ
established	October 8, 1975 ⓘ
geologicPeriod	Eocene ⓘ Miocene ⓘ Oligocene ⓘ
hasMuseum	Thomas Condon Paleontology Center ⓘ
hasPart	Clarno Unit ⓘ Painted Hills Unit ⓘ Sheep Rock Unit ⓘ
hasVisitorCenter	Thomas Condon Paleontology Center ⓘ
IUCNCategory	III ⓘ
knownFor	Cenozoic fossils ⓘ Painted Hills ⓘ paleontological research ⓘ well-preserved fossil beds ⓘ
locatedIn	Gilliam County, Oregon ⓘ Grant County, Oregon ⓘ Oregon ⓘ Wheeler County, Oregon ⓘ
managedBy	United States National Park Service ⓘ linked to: National Park Service
namedAfter	John Day River ⓘ
nearestCity	John Day, Oregon ⓘ Mitchell, Oregon ⓘ
offers	hiking trails ⓘ interpretive exhibits ⓘ scenic viewpoints ⓘ
partOf	National Park System ⓘ linked to: United States National Park System
region	Pacific Northwest ⓘ
river	John Day River ⓘ
state	Oregon ⓘ
subjectOf	geologic research ⓘ paleontological studies ⓘ
timeSpanDocumented	approximately 44 million years ⓘ
USNPSParkCode	JODA ⓘ

How these facts were elicited

Referenced by (18)

Full triples — surface form annotated when it differs from this entity's canonical label.

Eastern Oregon → hasProtectedArea → John Day Fossil Beds National Monument ⓘ

subject linked to: eastern Oregon

John Day, Oregon → locatedNear → John Day Fossil Beds National Monument ⓘ

John Day, Oregon → hasNearbyProtectedArea → John Day Fossil Beds National Monument ⓘ

Oregon Route 19 → passesNear → John Day Fossil Beds National Monument ⓘ

Wheeler County, Oregon → contains → Clarno Unit of John Day Fossil Beds National Monument ⓘ