Sanford Dam
E569308
Sanford Dam is a major earthen dam on the Canadian River in Texas that creates Lake Meredith, an important regional water supply and recreation reservoir.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Sanford Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5851779 — 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: Sanford Dam Context triple: [Canadian River, hasDam, Sanford Dam]
-
A.
Walterville Dam
Walterville Dam is a hydroelectric diversion dam on Oregon’s McKenzie River that channels water to the Walterville Power Canal and generating station.
-
B.
Forestville Dam
Forestville Dam is a hydroelectric and recreational dam located on the Dead River near Marquette in Michigan’s Upper Peninsula.
-
C.
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.
-
D.
Buford Dam
Buford Dam is a large hydroelectric and flood-control dam in Georgia that creates Lake Lanier and helps regulate water flow and supply for the Atlanta metropolitan area.
-
E.
West Point Dam
West Point Dam is a large U.S. Army Corps of Engineers hydroelectric and flood-control dam on the Chattahoochee River, forming West Point Lake on the Alabama–Georgia border.
- 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: Sanford Dam Target entity description: Sanford Dam is a major earthen dam on the Canadian River in Texas that creates Lake Meredith, an important regional water supply and recreation reservoir.
-
A.
Walterville Dam
Walterville Dam is a hydroelectric diversion dam on Oregon’s McKenzie River that channels water to the Walterville Power Canal and generating station.
-
B.
Forestville Dam
Forestville Dam is a hydroelectric and recreational dam located on the Dead River near Marquette in Michigan’s Upper Peninsula.
-
C.
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.
-
D.
Buford Dam
Buford Dam is a large hydroelectric and flood-control dam in Georgia that creates Lake Lanier and helps regulate water flow and supply for the Atlanta metropolitan area.
-
E.
West Point Dam
West Point Dam is a large U.S. Army Corps of Engineers hydroelectric and flood-control dam on the Chattahoochee River, forming West Point Lake on the Alabama–Georgia border.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
earthfill dam
ⓘ
embankment dam ⓘ water supply infrastructure ⓘ |
| associatedProtectedArea | Lake Meredith National Recreation Area NERFINISHED ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| completedIn | 1965 ⓘ |
| constructionBegan | 1962 ⓘ |
| constructionMaterial |
earth
ⓘ
rockfill ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| createsReservoir | Lake Meredith NERFINISHED ⓘ |
| crestElevation | 3018 feet above sea level ⓘ |
| hasOutletWorks | multi-level intake tower ⓘ |
| hasSpillwayType | uncontrolled concrete ogee crest spillway ⓘ |
| height | 199 feet ⓘ |
| latitude | approximately 35.7° N ⓘ |
| length | 6230 feet ⓘ |
| locatedIn |
Hutchinson County, Texas
NERFINISHED
ⓘ
Texas ⓘ United States of America ⓘ
surface form:
United States
|
| locatedOn | Canadian River NERFINISHED ⓘ |
| longitude | approximately 101.6° W ⓘ |
| managedBy | Canadian River Municipal Water Authority NERFINISHED ⓘ |
| nearbySettlement |
Borger, Texas
NERFINISHED
ⓘ
Sanford, Texas NERFINISHED ⓘ |
| openingYear | 1965 ⓘ |
| operator | United States Bureau of Reclamation NERFINISHED ⓘ |
| ownedBy | United States Bureau of Reclamation NERFINISHED ⓘ |
| partOf | Canadian River Project NERFINISHED ⓘ |
| purpose |
flood control
ⓘ
industrial water supply ⓘ municipal water supply ⓘ recreation ⓘ |
| region | Texas Panhandle NERFINISHED ⓘ |
| reservoirName | Lake Meredith NERFINISHED ⓘ |
| reservoirSurfaceArea | about 21,640 acres ⓘ |
| reservoirTotalCapacity | about 1,407,000 acre-feet ⓘ |
| reservoirUse |
boating
ⓘ
camping ⓘ fishing ⓘ |
| riverCrossed | Canadian River NERFINISHED ⓘ |
| servesCity |
Amarillo, Texas
NERFINISHED
ⓘ
Lubbock, Texas NERFINISHED ⓘ Lubbock-area municipalities via Canadian River Municipal Water Authority ⓘ Plainview, Texas NERFINISHED ⓘ |
| spillwayCapacity | about 389,000 cubic feet per second ⓘ |
| status | operational ⓘ |
| waterSourceFor | Canadian River Municipal Water Authority aqueduct system ⓘ |
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: Sanford Dam Description of subject: Sanford Dam is a major earthen dam on the Canadian River in Texas that creates Lake Meredith, an important regional water supply and recreation reservoir.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.