Gillespie Dam
E360187
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Gillespie Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3268108 — 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: Gillespie Dam Context triple: [Gila River, hasDam, Gillespie Dam]
-
A.
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.
-
B.
Wheeler Dam
Wheeler Dam is a hydroelectric dam on the Tennessee River in northern Alabama that forms Wheeler Lake and helps provide power, navigation, and flood control in the region.
-
C.
Parker Dam
Parker Dam is a concrete arch-gravity dam on the Colorado River best known for creating Lake Havasu and supplying water and hydroelectric power to parts of California and Arizona.
-
D.
Forestville Dam
Forestville Dam is a hydroelectric and recreational dam located on the Dead River near Marquette in Michigan’s Upper Peninsula.
-
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: Gillespie Dam Target entity description: 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.
-
A.
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.
-
B.
Wheeler Dam
Wheeler Dam is a hydroelectric dam on the Tennessee River in northern Alabama that forms Wheeler Lake and helps provide power, navigation, and flood control in the region.
-
C.
Parker Dam
Parker Dam is a concrete arch-gravity dam on the Colorado River best known for creating Lake Havasu and supplying water and hydroelectric power to parts of California and Arizona.
-
D.
Forestville Dam
Forestville Dam is a hydroelectric and recreational dam located on the Dead River near Marquette in Michigan’s Upper Peninsula.
-
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 (48)
| Predicate | Object |
|---|---|
| instanceOf |
concrete gravity dam
ⓘ
irrigation dam ⓘ |
| access | reachable via Old U.S. Route 80 ⓘ |
| adjacentStructure | Gillespie Dam Bridge NERFINISHED ⓘ |
| builtBy | Gillespie Land and Irrigation Company ⓘ |
| completed | 1921 ⓘ |
| constructionBegan | 1920 ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| county |
Maricopa County, Arizona
ⓘ
surface form:
Maricopa County
|
| crosses | Gila River ⓘ |
| designedBy | Frank T. Healy ⓘ |
| ecosystemRole | creates riparian habitat along the Gila River ⓘ |
| engineeringSignificance | example of early 20th-century concrete gravity dam in Arizona ⓘ |
| functionAfterFailure |
local landmark
ⓘ
wildlife habitat area ⓘ |
| hasHeritageStatus | listed on the National Register of Historic Places ⓘ |
| height |
about 23 meters
ⓘ
about 70 feet ⓘ |
| historicalEra | early 20th century ⓘ |
| length |
about 1700 feet
ⓘ
about 520 meters ⓘ |
| locatedIn |
Arizona
ⓘ
Maricopa County, Arizona ⓘ United States of America ⓘ
surface form:
United States
|
| locatedOnRiver | Gila River ⓘ |
| managedBy | private and local interests ⓘ |
| material | concrete ⓘ |
| namedAfter | Clair J. Gillespie ⓘ |
| near |
Gila Bend, Arizona
ⓘ
Gillespie Dam Bridge NERFINISHED ⓘ |
| notableEvent | partial failure during 1993 Gila River flood ⓘ |
| NRHPListingIncludes | Gillespie Dam Bridge NERFINISHED ⓘ |
| NRHPType | historic structure ⓘ |
| opened | 1921 ⓘ |
| primaryBeneficiaries | irrigated farms in the lower Gila River valley ⓘ |
| purpose | irrigation ⓘ |
| region | Sonoran Desert ⓘ |
| state | Arizona ⓘ |
| status |
no longer used as primary irrigation diversion
ⓘ
partially breached ⓘ |
| structureType | gravity dam ⓘ |
| tourism | local sightseeing destination ⓘ |
| use |
agricultural irrigation
ⓘ
recreation ⓘ wildlife habitat support ⓘ |
| watercourse | Gila River ⓘ |
| wildlife | supports bird habitat along the Gila River riparian corridor ⓘ |
| yearOfPartialFailure | 1993 ⓘ |
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: Gillespie Dam Description of subject: 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.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.