McNary Lock and Dam
E395753
McNary Lock and Dam is a navigation lock facility integrated into the McNary Dam complex on the Columbia River, enabling river traffic to bypass the dam.
All labels observed (1)
| Label | Occurrences |
|---|---|
| McNary Lock and Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3642757 — 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: McNary Lock and Dam Context triple: [McNary Dam, hasPart, McNary Lock and Dam]
-
A.
Murray Lock and Dam
Murray Lock and Dam is a navigation and flood-control structure on the Arkansas River near Little Rock, Arkansas, that helps regulate river flow and support commercial barge traffic.
-
B.
Alton Lock and Dam
Alton Lock and Dam is a major navigation and flood-control structure on the Mississippi River that helps regulate river traffic and water levels as part of the Illinois Waterway system.
-
C.
Dresden Island Lock and Dam
Dresden Island Lock and Dam is a navigation and flood-control structure on the Illinois Waterway that helps regulate river levels and facilitate barge traffic in northeastern Illinois.
-
D.
Dardanelle Lock and Dam
Dardanelle Lock and Dam is a major navigation and hydroelectric structure on the Arkansas River in Arkansas, forming part of the McClellan–Kerr Arkansas River Navigation System.
-
E.
Peoria Lock and Dam
Peoria Lock and Dam is a navigation structure on the Illinois River that helps manage river traffic and water levels as part of the Illinois Waterway.
- 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: McNary Lock and Dam Target entity description: McNary Lock and Dam is a navigation lock facility integrated into the McNary Dam complex on the Columbia River, enabling river traffic to bypass the dam.
-
A.
Murray Lock and Dam
Murray Lock and Dam is a navigation and flood-control structure on the Arkansas River near Little Rock, Arkansas, that helps regulate river flow and support commercial barge traffic.
-
B.
Alton Lock and Dam
Alton Lock and Dam is a major navigation and flood-control structure on the Mississippi River that helps regulate river traffic and water levels as part of the Illinois Waterway system.
-
C.
Dresden Island Lock and Dam
Dresden Island Lock and Dam is a navigation and flood-control structure on the Illinois Waterway that helps regulate river levels and facilitate barge traffic in northeastern Illinois.
-
D.
Dardanelle Lock and Dam
Dardanelle Lock and Dam is a major navigation and hydroelectric structure on the Arkansas River in Arkansas, forming part of the McClellan–Kerr Arkansas River Navigation System.
-
E.
Peoria Lock and Dam
Peoria Lock and Dam is a navigation structure on the Illinois River that helps manage river traffic and water levels as part of the Illinois Waterway.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
hydraulic engineering structure
ⓘ
navigation lock ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| country |
United States of America
ⓘ
surface form:
United States
|
| downstreamFrom | Ice Harbor Dam NERFINISHED ⓘ |
| hasComponent |
control house
ⓘ
gates ⓘ navigation lock chamber ⓘ |
| hasFunction | enables river traffic to bypass McNary Dam ⓘ |
| isAdjacentTo |
McNary Dam
ⓘ
surface form:
McNary Dam powerhouse
|
| isAssociatedWith | hydropower generation at McNary Dam ⓘ |
| isInfrastructureType | inland waterway infrastructure ⓘ |
| isOnBorderOf | Oregon–Washington state line ⓘ |
| isPartOf | McNary Dam complex NERFINISHED ⓘ |
| locatedIn |
Oregon
ⓘ
Washington ⓘ |
| locatedNear |
Benton County, Washington
NERFINISHED
ⓘ
Umatilla County, Oregon NERFINISHED ⓘ |
| locatedOnWaterway | Columbia River ⓘ |
| namedAfter | Charles L. McNary ⓘ |
| operator | U.S. Army Corps of Engineers ⓘ |
| partOf |
Columbia–Snake River lock system
ⓘ
surface form:
Columbia River navigation system
McNary Dam NERFINISHED ⓘ |
| purpose | navigation ⓘ |
| region | Pacific Northwest ⓘ |
| river | Columbia River ⓘ |
| upstreamFrom | John Day Dam NERFINISHED ⓘ |
| usedFor |
commercial barge traffic
ⓘ
recreational vessel passage ⓘ |
| watercourse | Columbia 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: McNary Lock and Dam Description of subject: McNary Lock and Dam is a navigation lock facility integrated into the McNary Dam complex on the Columbia River, enabling river traffic to bypass the dam.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.