Slab Creek Dam
E496436
Slab Creek Dam is a concrete gravity dam on the South Fork American River in El Dorado County, California, forming Slab Creek Reservoir as part of regional hydroelectric and water management operations.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Slab Creek Dam canonical | 5 |
How this entity was disambiguated
This entity first appeared as the object of triple T4957216 — 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: Slab Creek Dam Context triple: [South Fork American River, hasDam, Slab Creek Dam]
-
A.
Prosser Creek Dam
Prosser Creek Dam is an earthfill dam in Nevada County, California, that creates Prosser Creek Reservoir for water storage, flood control, and recreation in the Truckee River basin.
-
B.
Gillespie Dam
Gillespie Dam is an early 20th-century concrete gravity dam on Arizona’s Gila River, historically used for irrigation and now noted as a local landmark and wildlife habitat area.
-
C.
J.C. Boyle Dam
J.C. Boyle Dam is a hydroelectric dam on the Klamath River in southern Oregon, known for power generation and its role in regional water and environmental management.
-
D.
McClure Dam
McClure Dam is a hydroelectric dam on the Dead River in Michigan, forming McClure Basin and providing power and water management for the surrounding region.
-
E.
Garrison Dam
Garrison Dam is a large hydroelectric and flood-control dam on the Missouri River in North Dakota, forming Lake Sakakawea, one of the largest man-made reservoirs in the United States.
- 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: Slab Creek Dam Target entity description: Slab Creek Dam is a concrete gravity dam on the South Fork American River in El Dorado County, California, forming Slab Creek Reservoir as part of regional hydroelectric and water management operations.
-
A.
Prosser Creek Dam
Prosser Creek Dam is an earthfill dam in Nevada County, California, that creates Prosser Creek Reservoir for water storage, flood control, and recreation in the Truckee River basin.
-
B.
Gillespie Dam
Gillespie Dam is an early 20th-century concrete gravity dam on Arizona’s Gila River, historically used for irrigation and now noted as a local landmark and wildlife habitat area.
-
C.
J.C. Boyle Dam
J.C. Boyle Dam is a hydroelectric dam on the Klamath River in southern Oregon, known for power generation and its role in regional water and environmental management.
-
D.
McClure Dam
McClure Dam is a hydroelectric dam on the Dead River in Michigan, forming McClure Basin and providing power and water management for the surrounding region.
-
E.
Garrison Dam
Garrison Dam is a large hydroelectric and flood-control dam on the Missouri River in North Dakota, forming Lake Sakakawea, one of the largest man-made reservoirs in the United States.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
concrete gravity dam
ⓘ
dam ⓘ |
| basinCountry |
United States
ⓘ
linked to:
United States of America
|
| continent | North America ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| createsImpedimentFor | fish migration on South Fork American River ⓘ |
| formsReservoir | Slab Creek Reservoir ⓘ |
| hasName | Slab Creek Dam ⓘ |
| hasReservoirName | Slab Creek Reservoir ⓘ |
| hasStructureType | gravity dam ⓘ |
| isPartOf |
regional hydroelectric operations
ⓘ
regional water management operations ⓘ |
| locatedIn |
California
ⓘ
linked to:
California, United States
El Dorado County, California ⓘ |
| locatedNear |
Placerville, California
ⓘ
linked to:
Placerville
|
| locatedOnWatercourse | South Fork American River ⓘ |
| materialUsed | concrete ⓘ |
| partOf | South Fork American River hydroelectric system ⓘ |
| purpose |
flood control
ⓘ
hydroelectric power generation ⓘ recreation ⓘ water management ⓘ |
| riverCrossed | South Fork American River ⓘ |
| state |
California
ⓘ
linked to:
California, United States
|
| watercourse | South Fork American 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: Slab Creek Dam Description of subject: Slab Creek Dam is a concrete gravity dam on the South Fork American River in El Dorado County, California, forming Slab Creek Reservoir as part of regional hydroelectric and water management operations.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.