Black Eagle Falls
E509490
Black Eagle Falls is a scenic waterfall on the Missouri River near Great Falls, Montana, historically significant for its role in local hydroelectric development and regional exploration.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Black Eagle Falls canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T5210978 — 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: Black Eagle Falls Context triple: [Great Falls, Montana, hasLandmark, Black Eagle Falls]
-
A.
Eagle Falls
Eagle Falls is a scenic waterfall in the Lake Tahoe area of California, known for its picturesque cascades and popular hiking viewpoints near Emerald Bay.
-
B.
Horsetail Falls
Horsetail Falls is a picturesque, horsetail-shaped waterfall in Oregon that cascades down a basalt cliff along the Columbia River Gorge.
-
C.
Mill Creek Falls
Mill Creek Falls is a scenic waterfall in Northern California known for its dramatic drop amid the volcanic landscapes and forested canyons of Lassen Volcanic National Park.
-
D.
Roaring River Falls
Roaring River Falls is a scenic waterfall in Kings Canyon National Park, California, known for its powerful cascade in a narrow granite chute near the Cedar Grove area.
-
E.
Valley Falls
Valley Falls is a small village in Rensselaer County, New York, known for its rural character and historic mill-town roots.
- 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: Black Eagle Falls Target entity description: Black Eagle Falls is a scenic waterfall on the Missouri River near Great Falls, Montana, historically significant for its role in local hydroelectric development and regional exploration.
-
A.
Eagle Falls
Eagle Falls is a scenic waterfall in the Lake Tahoe area of California, known for its picturesque cascades and popular hiking viewpoints near Emerald Bay.
-
B.
Horsetail Falls
Horsetail Falls is a picturesque, horsetail-shaped waterfall in Oregon that cascades down a basalt cliff along the Columbia River Gorge.
-
C.
Mill Creek Falls
Mill Creek Falls is a scenic waterfall in Northern California known for its dramatic drop amid the volcanic landscapes and forested canyons of Lassen Volcanic National Park.
-
D.
Roaring River Falls
Roaring River Falls is a scenic waterfall in Kings Canyon National Park, California, known for its powerful cascade in a narrow granite chute near the Cedar Grove area.
-
E.
Valley Falls
Valley Falls is a village and census-designated place in the town of Cumberland in northeastern Rhode Island, known historically as an early mill and industrial community along the Blackstone River.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf | waterfall ⓘ |
| adjacentTo | community of Black Eagle, Montana ⓘ |
| alsoKnownAs | Upper Great Falls ⓘ |
| country | United States of America ⓘ |
| downstreamOf | Morony Dam area on the Missouri River ⓘ |
| dropHeight | approximately 26 feet ⓘ |
| elevation | approximately 3,200 feet above sea level ⓘ |
| hasHydroelectricDam | Black Eagle Dam ⓘ |
| hasStructure | Black Eagle Dam ⓘ |
| historicalSignificance |
early hydroelectric development on the Missouri River
ⓘ
landmark in regional exploration of the upper Missouri River ⓘ |
| influencedBy | seasonal river flow of the Missouri River ⓘ |
| locatedIn | Cascade County, Montana ⓘ |
| locatedNear | Great Falls, Montana ⓘ |
| locatedOn | Missouri River ⓘ |
| namedAfter | Black Eagle (local geographic and community name) ⓘ |
| nearbyCity | Great Falls, Montana ⓘ |
| partOf |
Great Falls of the Missouri
ⓘ
series of waterfalls on the Missouri River near Great Falls ⓘ |
| recreation |
nearby hiking
ⓘ
photography ⓘ viewing ⓘ |
| region | north-central Montana ⓘ |
| riverSystem |
Missouri River basin
ⓘ
linked to:
Missouri River Basin
|
| state | Montana ⓘ |
| tourism | local scenic attraction ⓘ |
| upstreamOf |
Rainbow Falls (Missouri River)
ⓘ
linked to:
Great Falls of the Missouri
|
| usedFor | hydroelectric power generation ⓘ |
| watercourse | Missouri River ⓘ |
| width | approximately 600 feet ⓘ |
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: Black Eagle Falls Description of subject: Black Eagle Falls is a scenic waterfall on the Missouri River near Great Falls, Montana, historically significant for its role in local hydroelectric development and regional exploration.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.