Logan Martin Dam
E729131
Logan Martin Dam is a hydroelectric dam on the Coosa River in Alabama that creates Logan Martin Lake, a popular site for recreation and water sports.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Logan Martin Dam canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T7914081 — 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: Logan Martin Dam Context triple: [Pell City, Alabama, hasNearbyAttraction, Logan Martin Dam]
-
A.
R. L. Harris Dam
R. L. Harris Dam is a hydroelectric dam in Alabama that impounds the Tallapoosa River to form Lake Wedowee and generate power.
-
B.
Morris Sheppard Dam
Morris Sheppard Dam is a large hydroelectric and flood-control structure in Texas that impounds the Brazos River to form Possum Kingdom Lake.
-
C.
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.
-
D.
Chatfield Dam
Chatfield Dam is a large flood-control and water-storage structure in Colorado that creates Chatfield Reservoir on the South Platte River near Denver.
-
E.
W. Kerr Scott Dam
W. Kerr Scott Dam is a U.S. Army Corps of Engineers flood-control and recreation dam in North Carolina that creates W. Kerr Scott Reservoir on the Yadkin River.
- 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: Logan Martin Dam Target entity description: Logan Martin Dam is a hydroelectric dam on the Coosa River in Alabama that creates Logan Martin Lake, a popular site for recreation and water sports.
-
A.
R. L. Harris Dam
R. L. Harris Dam is a hydroelectric dam in Alabama that impounds the Tallapoosa River to form Lake Wedowee and generate power.
-
B.
Morris Sheppard Dam
Morris Sheppard Dam is a large hydroelectric and flood-control structure in Texas that impounds the Brazos River to form Possum Kingdom Lake.
-
C.
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.
-
D.
Chatfield Dam
Chatfield Dam is a large flood-control and water-storage structure in Colorado that creates Chatfield Reservoir on the South Platte River near Denver.
-
E.
W. Kerr Scott Dam
W. Kerr Scott Dam is a U.S. Army Corps of Engineers flood-control and recreation dam in North Carolina that creates W. Kerr Scott Reservoir on the Yadkin River.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
gravity dam
ⓘ
hydroelectric dam ⓘ reservoir ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| country |
United States of America
ⓘ
surface form:
United States
United States of America ⓘ
surface form:
United States
|
| createsReservoir | Logan Martin Lake NERFINISHED ⓘ |
| hasReservoir | Logan Martin Lake NERFINISHED ⓘ |
| locatedIn |
Alabama
ⓘ
Alabama ⓘ |
| locatedNear |
Pell City, Alabama
NERFINISHED
ⓘ
Vincent, Alabama NERFINISHED ⓘ |
| locatedOnRiver |
Coosa River
NERFINISHED
ⓘ
Coosa River NERFINISHED ⓘ |
| operator | Alabama Power Company NERFINISHED ⓘ |
| ownedBy | Alabama Power Company NERFINISHED ⓘ |
| partOf |
Alabama Power Coosa River dams system
NERFINISHED
ⓘ
Coosa River hydroelectric project NERFINISHED ⓘ |
| popularFor |
boating
ⓘ
fishing ⓘ swimming ⓘ water skiing ⓘ |
| purpose |
flood control
ⓘ
hydroelectric power generation ⓘ navigation improvement ⓘ |
| region |
St. Clair County, Alabama
NERFINISHED
ⓘ
Talladega County, Alabama NERFINISHED ⓘ |
| usedFor |
recreation
ⓘ
water sports ⓘ |
| watercourse | Coosa 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: Logan Martin Dam Description of subject: Logan Martin Dam is a hydroelectric dam on the Coosa River in Alabama that creates Logan Martin Lake, a popular site for recreation and water sports.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.