E. V. Spence Reservoir
E543700
E. V. Spence Reservoir is a man-made lake in West Texas that serves as a major water supply and recreational resource for the surrounding region.
All labels observed (1)
| Label | Occurrences |
|---|---|
| E. V. Spence Reservoir canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5521912 — 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: E. V. Spence Reservoir Context triple: [Colorado River (Texas), reservoirOnRiver, E. V. Spence Reservoir]
-
A.
Union Reservoir
Union Reservoir is a popular recreational lake near Longmont, Colorado, known for activities such as boating, fishing, swimming, and picnicking.
-
B.
Hillend Reservoir
Hillend Reservoir is a man-made lake in North Lanarkshire, Scotland, used primarily for water supply and recreational activities such as fishing and walking.
-
C.
Wheeler Reservoir
Wheeler Reservoir is a large man-made lake on the Tennessee River in northern Alabama, created by Wheeler Dam and used for hydroelectric power, navigation, recreation, and wildlife habitat.
-
D.
Puddingstone Reservoir
Puddingstone Reservoir is a man-made lake and popular recreational area in Los Angeles County, California, known for fishing, boating, and picnicking within Frank G. Bonelli Regional Park.
-
E.
Errwood Reservoir
Errwood Reservoir is a scenic man-made lake in the Goyt Valley in Derbyshire, England, popular for walking, fishing, and outdoor 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: E. V. Spence Reservoir Target entity description: E. V. Spence Reservoir is a man-made lake in West Texas that serves as a major water supply and recreational resource for the surrounding region.
-
A.
Union Reservoir
Union Reservoir is a popular recreational lake near Longmont, Colorado, known for activities such as boating, fishing, swimming, and picnicking.
-
B.
Hillend Reservoir
Hillend Reservoir is a man-made lake in North Lanarkshire, Scotland, used primarily for water supply and recreational activities such as fishing and walking.
-
C.
Wheeler Reservoir
Wheeler Reservoir is a large man-made lake on the Tennessee River in northern Alabama, created by Wheeler Dam and used for hydroelectric power, navigation, recreation, and wildlife habitat.
-
D.
Puddingstone Reservoir
Puddingstone Reservoir is a man-made lake and popular recreational area in Los Angeles County, California, known for fishing, boating, and picnicking within Frank G. Bonelli Regional Park.
-
E.
Errwood Reservoir
Errwood Reservoir is a scenic man-made lake in the Goyt Valley in Derbyshire, England, popular for walking, fishing, and outdoor recreation.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf | reservoir ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| completionDate | 1952 ⓘ |
| constructionStartDate | 1950 ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| createdBy | Robert Lee Dam NERFINISHED ⓘ |
| elevationAboveSeaLevel | approximately 1900 feet ⓘ |
| fishSpecies |
catfish
ⓘ
crappie ⓘ largemouth bass ⓘ striped bass ⓘ white bass ⓘ |
| hasFacility |
boat ramps
ⓘ
campgrounds ⓘ fishing piers ⓘ picnic areas ⓘ |
| impoundedBy | Robert Lee Dam NERFINISHED ⓘ |
| locatedIn |
Texas
ⓘ
West Texas NERFINISHED ⓘ |
| locatedInAdministrativeEntity | Coke County, Texas NERFINISHED ⓘ |
| locatedNear | Robert Lee, Texas NERFINISHED ⓘ |
| managingAgency | Upper Colorado River Authority NERFINISHED ⓘ |
| maximumDepth | approximately 100 feet ⓘ |
| namedAfter | E. V. Spence NERFINISHED ⓘ |
| openingDate | 1952 ⓘ |
| operator | Upper Colorado River Authority NERFINISHED ⓘ |
| outflow | Colorado River (Texas) NERFINISHED ⓘ |
| partOf | Colorado River basin (Texas) NERFINISHED ⓘ |
| primaryUse | municipal water supply ⓘ |
| recreationalActivity |
boating
ⓘ
camping ⓘ fishing ⓘ picnicking ⓘ swimming ⓘ water sports ⓘ |
| region | semi-arid climate zone of West Texas ⓘ |
| servesCity |
Robert Lee, Texas
NERFINISHED
ⓘ
San Angelo, Texas NERFINISHED ⓘ |
| servesRegion | West Texas NERFINISHED ⓘ |
| subjectTo |
periodic drought conditions
ⓘ
water level fluctuations ⓘ |
| surfaceArea | approximately 14486 acres at conservation pool ⓘ |
| use |
industrial water supply
ⓘ
irrigation water supply ⓘ recreation ⓘ |
| watercourse | Colorado River (Texas) 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: E. V. Spence Reservoir Description of subject: E. V. Spence Reservoir is a man-made lake in West Texas that serves as a major water supply and recreational resource for the surrounding region.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.