Fort Rock
E628078
Fort Rock is a striking ring-shaped volcanic tuff formation in central Oregon known for its towering cliffs and significant archaeological sites.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Fort Rock canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6912895 — 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: Fort Rock Context triple: [Fort Rock–Christmas Lake Valley, hasFeature, Fort Rock]
-
A.
Saddle Rock
Saddle Rock is a prominent rock formation within Scotts Bluff National Monument in western Nebraska, known for its distinctive shape and popular hiking trail.
-
B.
Mill Rock
Mill Rock is a small, uninhabited island in New York City's East River, historically used for military and navigational purposes.
-
C.
Fern Rock
Fern Rock is a neighborhood in North Philadelphia, Pennsylvania, known for its residential character and proximity to major transit facilities.
-
D.
Lightning Ridge
Lightning Ridge is a remote outback town in northwestern New South Wales, Australia, famous for its black opal mining and distinctive artesian bore baths.
-
E.
Wauchope
Wauchope is a rural town in New South Wales, Australia, known as a gateway to the hinterland near Port Macquarie and the surrounding Mid North Coast region.
- 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: Fort Rock Target entity description: Fort Rock is a striking ring-shaped volcanic tuff formation in central Oregon known for its towering cliffs and significant archaeological sites.
-
A.
Saddle Rock
Saddle Rock is a prominent rock formation within Scotts Bluff National Monument in western Nebraska, known for its distinctive shape and popular hiking trail.
-
B.
Mill Rock
Mill Rock is a small, uninhabited island in New York City's East River, historically used for military and navigational purposes.
-
C.
Fern Rock
Fern Rock is a neighborhood in North Philadelphia, Pennsylvania, known for its residential character and proximity to major transit facilities.
-
D.
Lightning Ridge
Lightning Ridge is a remote outback town in northwestern New South Wales, Australia, famous for its black opal mining and distinctive artesian bore baths.
-
E.
Wauchope
Wauchope is a rural town in New South Wales, Australia, known as a gateway to the hinterland near Port Macquarie and the surrounding Mid North Coast region.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
archaeological site
ⓘ
geologic formation ⓘ maar ⓘ volcanic tuff ring ⓘ |
| approximateDiameter |
about 1,400 meters
ⓘ
about 4,600 feet ⓘ |
| archaeologicalFind | sagebrush-bark sandals ⓘ |
| archaeologicalFindAge | over 9,000 years old ⓘ |
| associatedWith | Fort Rock Basin National Natural Landmark NERFINISHED ⓘ |
| associatedWithArchaeologist | Luther Cressman NERFINISHED ⓘ |
| containedAncientLakeShorelines | true ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| county | Lake County NERFINISHED ⓘ |
| designatedAsNationalNaturalLandmark | 1966 ⓘ |
| designation | National Natural Landmark NERFINISHED ⓘ |
| distanceToBend | roughly 70 miles southeast of Bend, Oregon ⓘ |
| distanceToNearestTown | about 1 mile northwest of Fort Rock, Oregon ⓘ |
| elevation | approximately 4,300 feet above sea level ⓘ |
| evidenceOf | early human occupation in the Great Basin ⓘ |
| feature |
breached rim on the west side
ⓘ
steep inner cliffs ⓘ tuff ring crater ⓘ wave-cut terraces ⓘ |
| formedIn | Pleistocene epoch ⓘ |
| geologicAge | Pleistocene ⓘ |
| geologicComposition | volcanic tuff ⓘ |
| geologicOrigin | phreatomagmatic eruption ⓘ |
| hasArchaeologicalSignificance | true ⓘ |
| hasTrail | loop trail inside the ring ⓘ |
| height | cliffs up to about 200 feet high ⓘ |
| knownFor |
Fort Rock sandals discovery
ⓘ
ancient Native American archaeological sites ⓘ |
| landformType | volcanic landform ⓘ |
| locatedIn |
Great Basin region
NERFINISHED
ⓘ
Lake County, Oregon NERFINISHED ⓘ Oregon ⓘ United States of America ⓘ
surface form:
United States
|
| locatedNear | community of Fort Rock, Oregon ⓘ |
| managedBy | Oregon Parks and Recreation Department NERFINISHED ⓘ |
| nearestHighway | Oregon Route 31 NERFINISHED ⓘ |
| partOf |
Fort Rock Basin
NERFINISHED
ⓘ
Fort Rock State Natural Area NERFINISHED ⓘ |
| popularFor |
geology viewing
ⓘ
hiking ⓘ photography ⓘ |
| region | central Oregon NERFINISHED ⓘ |
| shape | ring-shaped ⓘ |
| state | Oregon ⓘ |
| touristAttraction | true ⓘ |
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: Fort Rock Description of subject: Fort Rock is a striking ring-shaped volcanic tuff formation in central Oregon known for its towering cliffs and significant archaeological sites.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.