Feather River Canyon (historic alignment)
E113446
Feather River Canyon (historic alignment) is a scenic rail route through the rugged Feather River gorge in the Sierra Nevada of California, historically used by transcontinental passenger trains.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Feather River Canyon (historic alignment) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T960291 — 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: Feather River Canyon (historic alignment) Context triple: [California Zephyr, traverses, Feather River Canyon (historic alignment)]
-
A.
Kern River Canyon
Kern River Canyon is a rugged, steep-walled gorge carved by the Kern River in California’s southern Sierra Nevada, known for its dramatic scenery and challenging access.
-
B.
Kaweah River canyon
Kaweah River canyon is a deep, rugged gorge in California’s Sierra Nevada carved by the Kaweah River, known for its dramatic scenery and steep granite walls.
-
C.
Norris Canyon, California
Norris Canyon, California is a small unincorporated community in Contra Costa County known for its rural residential character and rolling East Bay hills.
-
D.
Applegate–Lassen Route
The Applegate–Lassen Route was an alternative emigrant trail in the mid-19th century that branched off the main California Trail to provide a northern route into California and southern Oregon.
-
E.
Navarin Canyon
Navarin Canyon is a large submarine canyon in the Bering Sea known for its complex seafloor topography and rich marine ecosystems.
- 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: Feather River Canyon (historic alignment) Target entity description: Feather River Canyon (historic alignment) is a scenic rail route through the rugged Feather River gorge in the Sierra Nevada of California, historically used by transcontinental passenger trains.
-
A.
Kern River Canyon
Kern River Canyon is a rugged, steep-walled gorge carved by the Kern River in California’s southern Sierra Nevada, known for its dramatic scenery and challenging access.
-
B.
Kaweah River canyon
Kaweah River canyon is a deep, rugged gorge in California’s Sierra Nevada carved by the Kaweah River, known for its dramatic scenery and steep granite walls.
-
C.
Norris Canyon, California
Norris Canyon, California is a small unincorporated community in Contra Costa County known for its rural residential character and rolling East Bay hills.
-
D.
Applegate–Lassen Route
The Applegate–Lassen Route was an alternative emigrant trail in the mid-19th century that branched off the main California Trail to provide a northern route into California and southern Oregon.
-
E.
Navarin Canyon
Navarin Canyon is a large submarine canyon in the Bering Sea known for its complex seafloor topography and rich marine ecosystems.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
rail corridor
ⓘ
railway line ⓘ |
| builtBy | Western Pacific Railroad ⓘ |
| connects |
Great Basin
ⓘ
surface form:
Great Basin region
Sacramento Valley ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| crosses | multiple steel bridges ⓘ |
| engineeringChallenge |
rockslides and erosion
ⓘ
steep canyon walls ⓘ |
| environment | river canyon ecosystem ⓘ |
| eraOfMajorUse | 20th century ⓘ |
| follows | North Fork Feather River ⓘ |
| historicallyUsedBy |
freight trains
ⓘ
transcontinental passenger trains ⓘ |
| historicalSignificance |
alternative Sierra Nevada rail crossing to Donner Pass routes
ⓘ
part of Western Pacific’s main line between California and the interior West ⓘ |
| includes | tunnels ⓘ |
| knownFor |
engineering feats
ⓘ
rugged mountain terrain ⓘ scenic views ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
Feather River Canyon ⓘ Sierra Nevada ⓘ |
| notableFor |
curving alignment along river contours
ⓘ
relatively gentle grades compared to other Sierra Nevada crossings ⓘ |
| partOf |
Shasta Route
ⓘ
surface form:
Feather River Route
transcontinental rail network in the United States ⓘ |
| passesThrough |
Butte County
ⓘ
surface form:
Butte County, California
Placer County ⓘ
surface form:
Placer County, California
Plumas County, California ⓘ |
| primaryFunction |
freight transportation
ⓘ
transcontinental rail link ⓘ |
| railGauge | standard gauge ⓘ |
| scenicAttraction |
forested slopes
ⓘ
granite cliffs ⓘ views of Feather River ⓘ |
| secondaryFunction | passenger transportation ⓘ |
| terrainType | mountain canyon ⓘ |
| traverses |
Feather River Canyon
ⓘ
surface form:
Feather River gorge
|
| usedBy |
Union Pacific Railroad
ⓘ
Western Pacific Railroad ⓘ |
| usedFor |
railfan excursions
ⓘ
scenic rail travel ⓘ |
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: Feather River Canyon (historic alignment) Description of subject: Feather River Canyon (historic alignment) is a scenic rail route through the rugged Feather River gorge in the Sierra Nevada of California, historically used by transcontinental passenger trains.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.