Tehachapi Crossing tunnels
E298165
The Tehachapi Crossing tunnels are a series of large water conveyance tunnels that carry California Aqueduct flows beneath the Tehachapi Mountains as part of the State Water Project.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Tehachapi Crossing tunnels canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2780407 — 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: Tehachapi Crossing tunnels Context triple: [Edmonston Pumping Plant, connectedTo, Tehachapi Crossing tunnels]
-
A.
Eisenhower–Johnson Memorial Tunnel
The Eisenhower–Johnson Memorial Tunnel is a high-altitude vehicular tunnel through the Rocky Mountains in Colorado, carrying Interstate 70 beneath the Continental Divide.
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B.
Clyde Tunnel
The Clyde Tunnel is a road tunnel in Glasgow, Scotland, carrying vehicular traffic beneath the River Clyde to connect the city’s north and south banks.
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C.
Folsom Lake Crossing
Folsom Lake Crossing is a major bridge and roadway in Folsom, California, that spans the American River near Folsom Lake and provides an alternative route around the Folsom Dam area.
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D.
Carmel Tunnels
The Carmel Tunnels are a system of toll road tunnels in Haifa, Israel, that provide a fast east–west route beneath the Carmel mountain range to ease urban traffic congestion.
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E.
Malinta Tunnel
Malinta Tunnel is a historic underground complex on Corregidor Island in the Philippines that served as a bomb-proof headquarters and hospital for American and Filipino forces during World War II.
- 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: Tehachapi Crossing tunnels Target entity description: The Tehachapi Crossing tunnels are a series of large water conveyance tunnels that carry California Aqueduct flows beneath the Tehachapi Mountains as part of the State Water Project.
-
A.
Eisenhower–Johnson Memorial Tunnel
The Eisenhower–Johnson Memorial Tunnel is a high-altitude vehicular tunnel through the Rocky Mountains in Colorado, carrying Interstate 70 beneath the Continental Divide.
-
B.
Clyde Tunnel
The Clyde Tunnel is a road tunnel in Glasgow, Scotland, carrying vehicular traffic beneath the River Clyde to connect the city’s north and south banks.
-
C.
Folsom Lake Crossing
Folsom Lake Crossing is a major bridge and roadway in Folsom, California, that spans the American River near Folsom Lake and provides an alternative route around the Folsom Dam area.
-
D.
Carmel Tunnels
The Carmel Tunnels are a system of toll road tunnels in Haifa, Israel, that provide a fast east–west route beneath the Carmel mountain range to ease urban traffic congestion.
-
E.
Malinta Tunnel
Malinta Tunnel is a historic underground complex on Corregidor Island in the Philippines that served as a bomb-proof headquarters and hospital for American and Filipino forces during World War II.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
infrastructure of the California State Water Project
ⓘ
water conveyance tunnel system ⓘ |
| associatedWith | Edmonston Pumping Plant ⓘ |
| carries |
California Aqueduct flows
ⓘ
water for agricultural use ⓘ water for municipal use ⓘ |
| connects |
California Aqueduct
ⓘ
surface form:
San Joaquin Valley segment of the California Aqueduct
California Aqueduct ⓘ
surface form:
Southern California segment of the California Aqueduct
|
| country |
United States of America
ⓘ
surface form:
United States
|
| crossesUnder | Tehachapi Mountains ⓘ |
| engineeringFunction | convey water across major topographic barrier ⓘ |
| fluidType | freshwater ⓘ |
| locatedIn |
Kern County
ⓘ
surface form:
Kern County, California
Tehachapi Mountains ⓘ |
| locatedNear |
Mojave Desert
ⓘ
surface form:
Mojave Desert region
Tehachapi, California ⓘ |
| operator | California Department of Water Resources ⓘ |
| ownedBy |
California, United States
ⓘ
surface form:
State of California
|
| partOf |
California Aqueduct
ⓘ
California Aqueduct ⓘ
surface form:
California Aqueduct East Branch system
State Water Project ⓘ
surface form:
California State Water Project
State Water Project ⓘ
surface form:
State Water Project aqueduct and pumping system
|
| passesThrough | Tehachapi Pass area ⓘ |
| purpose |
interbasin water transfer
ⓘ
water conveyance ⓘ |
| regionServed |
Central Valley
ⓘ
surface form:
Central Valley of California
Southern California ⓘ |
| systemType | pressurized tunnel system ⓘ |
| usedFor |
irrigation water supply
ⓘ
urban water supply ⓘ |
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: Tehachapi Crossing tunnels Description of subject: The Tehachapi Crossing tunnels are a series of large water conveyance tunnels that carry California Aqueduct flows beneath the Tehachapi Mountains as part of the State Water Project.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.