Ross Dam
E952636
Ross Dam is a large hydroelectric dam in Washington State that forms Ross Lake as part of the Skagit River Hydroelectric Project.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ross Dam canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T11267270 — 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: Ross Dam Context triple: [Skagit River, hasDam, Ross Dam]
-
A.
Cascade Dam
Cascade Dam is a hydroelectric and flood-control structure located on the Thornapple River in Michigan.
-
B.
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.
-
C.
Forge Dam
Forge Dam is a popular recreational park and former industrial mill site along Porter Brook in Sheffield, England, known for its woodland walks, playground, and café.
-
D.
Kerr Dam
Kerr Dam is a large hydroelectric and flood-control structure on the Roanoke River that creates Kerr Lake (also known as Buggs Island Lake) along the Virginia–North Carolina border.
-
E.
Palisade Dam
Palisade Dam is an irrigation and water storage structure located on the Sevier River in central Utah, supporting local agriculture and recreation.
- 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: Ross Dam Target entity description: Ross Dam is a large hydroelectric dam in Washington State that forms Ross Lake as part of the Skagit River Hydroelectric Project.
-
A.
Cascade Dam
Cascade Dam is a hydroelectric and flood-control structure located on the Thornapple River in Michigan.
-
B.
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.
-
C.
Forge Dam
Forge Dam is a popular recreational park and former industrial mill site along Porter Brook in Sheffield, England, known for its woodland walks, playground, and café.
-
D.
Kerr Dam
Kerr Dam is a large hydroelectric and flood-control structure on the Roanoke River that creates Kerr Lake (also known as Buggs Island Lake) along the Virginia–North Carolina border.
-
E.
Palisade Dam
Palisade Dam is an irrigation and water storage structure located on the Sevier River in central Utah, supporting local agriculture and recreation.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
concrete gravity dam
ⓘ
hydroelectric dam ⓘ |
| alsoKnownAs | Ross Dam on the Skagit River NERFINISHED ⓘ |
| basinCountry |
Canada
ⓘ
United States of America ⓘ
surface form:
United States
|
| constructionStartDate | 1937 ⓘ |
| continent | North America ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| crosses | Skagit River NERFINISHED ⓘ |
| energySource | hydropower ⓘ |
| formsReservoir | Ross Lake NERFINISHED ⓘ |
| hasFunction | supplies electricity to Seattle area ⓘ |
| hasRecreation |
boating on Ross Lake
ⓘ
camping along Ross Lake ⓘ fishing on Ross Lake ⓘ |
| height | about 540 feet ⓘ |
| isPartOf | Seattle City Light Skagit Project NERFINISHED ⓘ |
| length | about 1,300 feet ⓘ |
| locatedIn |
Washington
ⓘ
surface form:
Washington State
Whatcom County, Washington NERFINISHED ⓘ |
| locatedInMountainRange | North Cascades NERFINISHED ⓘ |
| locatedInProtectedArea | Ross Lake National Recreation Area NERFINISHED ⓘ |
| locatedNear |
North Cascades National Park
NERFINISHED
ⓘ
Ross Lake National Recreation Area NERFINISHED ⓘ |
| locatedOnRiver | Skagit River NERFINISHED ⓘ |
| namedAfter | James Delmage Ross NERFINISHED ⓘ |
| nearBorderWith | Canada NERFINISHED ⓘ |
| nearTown | Newhalem, Washington NERFINISHED ⓘ |
| openingDate | 1940 ⓘ |
| operator | Seattle City Light NERFINISHED ⓘ |
| ownedBy | Seattle City Light NERFINISHED ⓘ |
| partOf | Skagit River Hydroelectric Project NERFINISHED ⓘ |
| partOfCascade | Skagit River dams NERFINISHED ⓘ |
| purpose |
flood control
ⓘ
hydroelectric power generation ⓘ recreation support ⓘ |
| region | Pacific Northwest ⓘ |
| reservoirLocation | extends into British Columbia, Canada ⓘ |
| reservoirName | Ross Lake NERFINISHED ⓘ |
| reservoirType | artificial lake ⓘ |
| status | operational ⓘ |
| upstreamFrom |
Diablo Dam
NERFINISHED
ⓘ
Gorge Dam NERFINISHED ⓘ |
| watercourse | Skagit 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: Ross Dam Description of subject: Ross Dam is a large hydroelectric dam in Washington State that forms Ross Lake as part of the Skagit River Hydroelectric Project.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.