Gila Gravity Main Canal
E729652
The Gila Gravity Main Canal is a major irrigation canal in southwestern Arizona that diverts Colorado River water to agricultural lands in the Yuma area.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Gila Gravity Main Canal canonical | 2 |
| Yuma Main Canal | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8374754 — 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: Gila Gravity Main Canal Context triple: [Imperial Dam, feeds, Gila Gravity Main Canal]
-
A.
Arizona Canal
The Arizona Canal is a major man-made waterway in the Phoenix metropolitan area that delivers irrigation and municipal water while shaping urban development and recreational corridors such as the Scottsdale Waterfront.
-
B.
Friant-Kern Canal
The Friant-Kern Canal is a major irrigation and water conveyance canal in California’s San Joaquin Valley that delivers diverted San Joaquin River water to farms and communities across the southern Central Valley.
-
C.
Modesto Main Canal
Modesto Main Canal is an irrigation waterway in California’s Central Valley that delivers Tuolumne River water to agricultural lands and communities in the Modesto area.
-
D.
Madera Canal
Madera Canal is an irrigation and water-conveyance canal in California’s Central Valley that delivers San Joaquin River water to agricultural lands and communities in Madera County.
-
E.
Tehama-Colusa Canal
The Tehama-Colusa Canal is a major irrigation and water conveyance canal in California’s Sacramento Valley that delivers Central Valley Project water to agricultural lands and communities.
- 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: Gila Gravity Main Canal Target entity description: The Gila Gravity Main Canal is a major irrigation canal in southwestern Arizona that diverts Colorado River water to agricultural lands in the Yuma area.
-
A.
Arizona Canal
The Arizona Canal is a major man-made waterway in the Phoenix metropolitan area that delivers irrigation and municipal water while shaping urban development and recreational corridors such as the Scottsdale Waterfront.
-
B.
Friant-Kern Canal
The Friant-Kern Canal is a major irrigation and water conveyance canal in California’s San Joaquin Valley that delivers diverted San Joaquin River water to farms and communities across the southern Central Valley.
-
C.
Modesto Main Canal
Modesto Main Canal is an irrigation waterway in California’s Central Valley that delivers Tuolumne River water to agricultural lands and communities in the Modesto area.
-
D.
Madera Canal
Madera Canal is an irrigation and water-conveyance canal in California’s Central Valley that delivers San Joaquin River water to agricultural lands and communities in Madera County.
-
E.
Tehama-Colusa Canal
The Tehama-Colusa Canal is a major irrigation and water conveyance canal in California’s Sacramento Valley that delivers Central Valley Project water to agricultural lands and communities.
- F. None of above. chosen
Statements (28)
| Predicate | Object |
|---|---|
| instanceOf |
irrigation canal
ⓘ
water conveyance infrastructure ⓘ |
| category |
Canals in Arizona
ⓘ
Colorado River water infrastructure ⓘ Irrigation canals ⓘ |
| constructionStart | 1930s ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| flowType | gravity flow ⓘ |
| hasLanguage | English ⓘ |
| infrastructureType | gravity-fed canal ⓘ |
| locatedIn |
Arizona
ⓘ
Yuma County, Arizona ⓘ southwestern Arizona ⓘ |
| locatedInDrainageBasin |
Lower Colorado River Basin
ⓘ
linked to:
Lower Colorado River region
|
| managedBy |
United States Bureau of Reclamation
ⓘ
linked to:
Bureau of Reclamation
|
| namedAfter | Gila River region ⓘ |
| near | Yuma, Arizona ⓘ |
| operator |
United States Bureau of Reclamation
ⓘ
linked to:
Bureau of Reclamation
|
| partOf |
Yuma Project
ⓘ
linked to:
Lower Colorado River Project
|
| purpose |
delivery of Colorado River water to agricultural lands
ⓘ
irrigation ⓘ |
| regionServed | Yuma area ⓘ |
| serves | agricultural lands in the Yuma area ⓘ |
| startPoint | Colorado River near Imperial Dam ⓘ |
| usedFor |
agricultural water supply
ⓘ
crop irrigation ⓘ |
| usesWaterFrom | Colorado River ⓘ |
| waterSourceType | surface water ⓘ |
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: Gila Gravity Main Canal Description of subject: The Gila Gravity Main Canal is a major irrigation canal in southwestern Arizona that diverts Colorado River water to agricultural lands in the Yuma area.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Gila Gravity Main Canal