Belle Fourche Dam
E846273
Belle Fourche Dam is an early 20th-century earthen dam in western South Dakota, notable for creating the Belle Fourche Reservoir to support irrigation and water management in the region.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Belle Fourche Reservoir | 4 |
| Belle Fourche Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10177033 — 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: Belle Fourche Dam Context triple: [Belle Fourche River, hasDam, Belle Fourche Dam]
-
A.
Copeton Dam
Copeton Dam is a large water storage and recreational reservoir on the Gwydir River in New South Wales, Australia, popular for fishing, boating, and camping.
-
B.
Hungry Horse Dam
Hungry Horse Dam is a large concrete arch dam on Montana’s South Fork Flathead River, built for hydroelectric power generation, flood control, and water storage as part of the broader Columbia River system.
-
C.
Blue Mesa Dam
Blue Mesa Dam is a large earthfill dam on the Gunnison River in Colorado, forming Blue Mesa Reservoir as part of the Colorado River Storage Project.
-
D.
LaBarge Dam
LaBarge Dam is a small hydroengineering structure located on the Thornapple River in Michigan, used primarily for water level control and local recreation.
-
E.
Moose Creek Dam
Moose Creek Dam is a major flood-control structure on Alaska’s Chena River that protects the city of Fairbanks and surrounding areas from seasonal flooding.
- 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: Belle Fourche Dam Target entity description: Belle Fourche Dam is an early 20th-century earthen dam in western South Dakota, notable for creating the Belle Fourche Reservoir to support irrigation and water management in the region.
-
A.
Copeton Dam
Copeton Dam is a large water storage and recreational reservoir on the Gwydir River in New South Wales, Australia, popular for fishing, boating, and camping.
-
B.
Hungry Horse Dam
Hungry Horse Dam is a large concrete arch dam on Montana’s South Fork Flathead River, built for hydroelectric power generation, flood control, and water storage as part of the broader Columbia River system.
-
C.
Blue Mesa Dam
Blue Mesa Dam is a large earthfill dam on the Gunnison River in Colorado, forming Blue Mesa Reservoir as part of the Colorado River Storage Project.
-
D.
LaBarge Dam
LaBarge Dam is a small hydroengineering structure located on the Thornapple River in Michigan, used primarily for water level control and local recreation.
-
E.
Moose Creek Dam
Moose Creek Dam is a major flood-control structure on Alaska’s Chena River that protects the city of Fairbanks and surrounding areas from seasonal flooding.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
earthen dam
ⓘ
embankment dam ⓘ |
| basinCountry |
United States
ⓘ
linked to:
United States of America
|
| completedIn | 1911 ⓘ |
| constructionBegan | early 20th century ⓘ |
| constructionMethod | earthfill embankment ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| createsReservoir |
Belle Fourche Reservoir
ⓘ
linked to:
Belle Fourche Dam
|
| damType | zoned earthfill ⓘ |
| designedBy |
United States Bureau of Reclamation engineers
ⓘ
linked to:
Bureau of Reclamation
|
| engineeringSignificance | one of the earlier large earthen dams built by the Bureau of Reclamation ⓘ |
| era | early 20th century ⓘ |
| hasSpillway | yes ⓘ |
| height |
about 184 feet
ⓘ
about 56 meters ⓘ |
| historicalSignificance | early large-scale Bureau of Reclamation irrigation project ⓘ |
| length |
about 1,950 meters
ⓘ
about 6,400 feet ⓘ |
| locatedIn |
Butte County, South Dakota
ⓘ
South Dakota ⓘ |
| locatedInRegion |
western South Dakota
ⓘ
linked to:
Western South Dakota
|
| locatedNear | Newell, South Dakota ⓘ |
| locatedOnRiver | Belle Fourche River ⓘ |
| managesWaterFor | Belle Fourche Irrigation District ⓘ |
| material | earth ⓘ |
| namedAfter | Belle Fourche River ⓘ |
| nearProtectedArea | Belle Fourche Reservoir recreation areas ⓘ |
| notableFor |
creating Belle Fourche Reservoir
ⓘ
supporting irrigation in a semi-arid region ⓘ |
| openedIn | 1911 ⓘ |
| operator |
United States Bureau of Reclamation
ⓘ
linked to:
Bureau of Reclamation
|
| ownedBy |
United States Bureau of Reclamation
ⓘ
linked to:
Bureau of Reclamation
|
| partOfProject | Belle Fourche Project ⓘ |
| providesIrrigationWaterTo | agricultural lands in western South Dakota ⓘ |
| purpose |
flood control
ⓘ
irrigation ⓘ water management ⓘ |
| regionServed |
Belle Fourche River Basin
ⓘ
linked to:
Belle Fourche River
|
| reservoirAlternateName | Orman Lake NERFINISHED ⓘ |
| reservoirName |
Belle Fourche Reservoir
ⓘ
linked to:
Belle Fourche Dam
|
| reservoirUse |
irrigation water storage
ⓘ
recreation ⓘ |
| supportsUse |
irrigation storage
ⓘ
recreation on Belle Fourche Reservoir ⓘ |
| watercourse | Belle Fourche River ⓘ |
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: Belle Fourche Dam Description of subject: Belle Fourche Dam is an early 20th-century earthen dam in western South Dakota, notable for creating the Belle Fourche Reservoir to support irrigation and water management in the region.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Belle Fourche Dam
linked to: Belle Fourche Dam
linked to: Belle Fourche Dam
linked to: Belle Fourche Dam