Pathfinder Dam
E909727
Pathfinder Dam is a historic early 20th-century masonry dam in Wyoming that forms Pathfinder Reservoir and provides water storage and flood control on the North Platte River.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Pathfinder Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10547429 — 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: Pathfinder Dam Context triple: [North Platte River, hasDam, Pathfinder Dam]
-
A.
Tieton Dam
Tieton Dam is a concrete multiple-arch dam in central Washington State that provides irrigation water storage, flood control, and hydroelectric power as part of the U.S. Bureau of Reclamation’s Yakima River basin developments.
-
B.
Gerber Dam
Gerber Dam is an irrigation and water storage dam in southern Oregon that helps regulate water supply for agriculture and flood control within the Klamath Basin.
-
C.
O'Shaughnessy Dam
O'Shaughnessy Dam is a concrete arch-gravity dam in Yosemite National Park that creates the Hetch Hetchy Reservoir, supplying water and hydroelectric power to the San Francisco Bay Area.
-
D.
Pardee Dam
Pardee Dam is a concrete arch dam in California that forms Pardee Reservoir, providing water storage, hydroelectric power, and flood control for the Mokelumne River system.
-
E.
Fengman Dam
Fengman Dam is a large hydroelectric gravity dam on the Songhua River in Jilin Province, China, known for its significant role in regional power generation and flood control.
- 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: Pathfinder Dam Target entity description: Pathfinder Dam is a historic early 20th-century masonry dam in Wyoming that forms Pathfinder Reservoir and provides water storage and flood control on the North Platte River.
-
A.
Tieton Dam
Tieton Dam is a concrete multiple-arch dam in central Washington State that provides irrigation water storage, flood control, and hydroelectric power as part of the U.S. Bureau of Reclamation’s Yakima River basin developments.
-
B.
Gerber Dam
Gerber Dam is an irrigation and water storage dam in southern Oregon that helps regulate water supply for agriculture and flood control within the Klamath Basin.
-
C.
O'Shaughnessy Dam
O'Shaughnessy Dam is a concrete arch-gravity dam in Yosemite National Park that creates the Hetch Hetchy Reservoir, supplying water and hydroelectric power to the San Francisco Bay Area.
-
D.
Pardee Dam
Pardee Dam is a concrete arch dam in California that forms Pardee Reservoir, providing water storage, hydroelectric power, and flood control for the Mokelumne River system.
-
E.
Fengman Dam
Fengman Dam is a large hydroelectric gravity dam on the Songhua River in Jilin Province, China, known for its significant role in regional power generation and flood control.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
arch dam
ⓘ
historic structure ⓘ masonry dam ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| constructionBegan | 1905 ⓘ |
| constructionCompleted | 1909 ⓘ |
| constructionMethod | cyclopean masonry ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| designedBy | United States Bureau of Reclamation engineers NERFINISHED ⓘ |
| formsReservoir | Pathfinder Reservoir NERFINISHED ⓘ |
| hasSpillway | yes ⓘ |
| height |
about 214 feet
ⓘ
about 64 metres ⓘ |
| heritageStatus | listed on the National Register of Historic Places ⓘ |
| historicPeriod | early 20th century ⓘ |
| isUpstreamOf |
Alcova Dam
NERFINISHED
ⓘ
Glendo Dam NERFINISHED ⓘ Guernsey Dam NERFINISHED ⓘ |
| length |
about 168 metres
ⓘ
about 550 feet ⓘ |
| locatedIn | Wyoming ⓘ |
| locatedInCounty |
Carbon County, Wyoming
NERFINISHED
ⓘ
Natrona County, Wyoming NERFINISHED ⓘ |
| locatedNear | Casper, Wyoming NERFINISHED ⓘ |
| locatedOnRiver | North Platte River NERFINISHED ⓘ |
| managesFloodRiskFor | communities along the North Platte River ⓘ |
| material | concrete masonry ⓘ |
| namedAfter | John C. Frémont NERFINISHED ⓘ |
| namedFor | John C. Frémont NERFINISHED ⓘ |
| NRHPListingYear | 1971 ⓘ |
| NRHPType | historic district contributing property ⓘ |
| opened | 1909 ⓘ |
| operator | United States Bureau of Reclamation NERFINISHED ⓘ |
| owner | United States Bureau of Reclamation NERFINISHED ⓘ |
| partOf |
North Platte Project
NERFINISHED
ⓘ
Reclamation Era historic resources ⓘ |
| project | North Platte Project NERFINISHED ⓘ |
| providesWaterTo |
irrigation districts in Nebraska
ⓘ
irrigation districts in Wyoming ⓘ |
| purpose |
flood control
ⓘ
irrigation ⓘ water storage ⓘ |
| regionServed | North Platte River Basin NERFINISHED ⓘ |
| reservoirCapacity | about 1,016,000 acre-feet ⓘ |
| reservoirName | Pathfinder Reservoir NERFINISHED ⓘ |
| reservoirUse |
fisheries
ⓘ
recreation ⓘ |
| riverCrossed | North Platte River NERFINISHED ⓘ |
| watercourse | North Platte River 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: Pathfinder Dam Description of subject: Pathfinder Dam is a historic early 20th-century masonry dam in Wyoming that forms Pathfinder Reservoir and provides water storage and flood control on the North Platte River.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.