Morris Sheppard Dam
E522627
Morris Sheppard Dam is a large hydroelectric and flood-control structure in Texas that impounds the Brazos River to form Possum Kingdom Lake.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Morris Sheppard Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5315859 — 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: Morris Sheppard Dam Context triple: [Brazos River, hasDam, Morris Sheppard Dam]
-
A.
Jim Woodruff Dam
Jim Woodruff Dam is a hydroelectric and flood-control dam on the Apalachicola River at the Florida–Georgia border, forming Lake Seminole and helping regulate water flow in the region.
-
B.
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.
-
C.
Goodwin Dam
Goodwin Dam is a concrete gravity diversion dam on California’s Stanislaus River that helps regulate river flow and supplies irrigation water to surrounding agricultural areas.
-
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.
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.
- 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: Morris Sheppard Dam Target entity description: Morris Sheppard Dam is a large hydroelectric and flood-control structure in Texas that impounds the Brazos River to form Possum Kingdom Lake.
-
A.
Jim Woodruff Dam
Jim Woodruff Dam is a hydroelectric and flood-control dam on the Apalachicola River at the Florida–Georgia border, forming Lake Seminole and helping regulate water flow in the region.
-
B.
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.
-
C.
Goodwin Dam
Goodwin Dam is a concrete gravity diversion dam on California’s Stanislaus River that helps regulate river flow and supplies irrigation water to surrounding agricultural areas.
-
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.
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.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
concrete gravity dam
ⓘ
flood control structure ⓘ hydroelectric dam ⓘ |
| alsoKnownAs | Possum Kingdom Dam NERFINISHED ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| constructionBegan | 1938 ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| createsReservoir | Possum Kingdom Lake NERFINISHED ⓘ |
| elevationOfCrest | approximately 1000 feet above sea level ⓘ |
| hasHydraulicHead | approximately 150 feet ⓘ |
| hasNumberOfSpillwayGates | 9 ⓘ |
| hasPowerPlant | yes ⓘ |
| hasRecreationalActivities |
boating
ⓘ
camping ⓘ fishing ⓘ |
| hasReservoirUse |
industrial water supply
ⓘ
irrigation ⓘ municipal water supply ⓘ |
| hasSpillwayType | gated ogee spillway ⓘ |
| hasStatus | operational ⓘ |
| hasTurbineType | Francis turbine ⓘ |
| impounds | Brazos River NERFINISHED ⓘ |
| isAccessibleBy | Texas State Highway 16 NERFINISHED ⓘ |
| isInDrainageBasin | Gulf of Mexico NERFINISHED ⓘ |
| isLocatedDownstreamOf | Possum Kingdom State Park NERFINISHED ⓘ |
| isLocatedUpstreamOf | Lake Granbury NERFINISHED ⓘ |
| isNamedForOccupationOfNamesake | U.S. Senator ⓘ |
| isPartOf | Brazos River basin NERFINISHED ⓘ |
| isUsedFor | navigation improvement on Brazos River ⓘ |
| locatedIn | Texas ⓘ |
| locatedInCounty |
Palo Pinto County, Texas
NERFINISHED
ⓘ
Stephens County, Texas NERFINISHED ⓘ |
| locatedOnRiver | Brazos River NERFINISHED ⓘ |
| managingAgency | Brazos River Authority NERFINISHED ⓘ |
| namedAfter | Morris Sheppard NERFINISHED ⓘ |
| nearCity |
Graford, Texas
NERFINISHED
ⓘ
Mineral Wells, Texas NERFINISHED ⓘ |
| openingDate | 1941 ⓘ |
| operator | Brazos River Authority NERFINISHED ⓘ |
| owner | Brazos River Authority NERFINISHED ⓘ |
| purpose |
flood control
ⓘ
hydroelectric power generation ⓘ recreation ⓘ water supply ⓘ |
| region | North Central Texas NERFINISHED ⓘ |
| reservoirName | Possum Kingdom Lake 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: Morris Sheppard Dam Description of subject: Morris Sheppard Dam is a large hydroelectric and flood-control structure in Texas that impounds the Brazos River to form Possum Kingdom Lake.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.