Las Vegas and Tonopah Railroad
E664212
The Las Vegas and Tonopah Railroad was an early 20th-century Nevada rail line that connected Las Vegas with mining boomtowns in the state’s south-central region, serving as a key carrier for ore, supplies, and passengers during the mining rush era.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Las Vegas and Tonopah Railroad canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T7392774 — 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: Las Vegas and Tonopah Railroad Context triple: [Beatty Historic Mining District, hasTransportationHistory, Las Vegas and Tonopah Railroad]
-
A.
Tonopah and Tidewater Railroad
The Tonopah and Tidewater Railroad was an early 20th-century short line that served mining regions of Nevada and California, transporting ore and supplies across the Mojave Desert.
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B.
Virginia and Truckee Railroad
The Virginia and Truckee Railroad was a historic 19th-century short-line railway in Nevada that played a crucial role in transporting ore, supplies, and passengers for the Comstock Lode mining boom.
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C.
Winchester and Western Railroad
Winchester and Western Railroad is a regional shortline railroad that operates freight services in parts of the Mid-Atlantic United States, including the South Jersey area.
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D.
Carson and Colorado Railway
The Carson and Colorado Railway was a narrow-gauge railroad that operated in the late 19th and early 20th centuries, primarily serving remote mining regions in Nevada and eastern California.
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E.
Union Pacific Railroad Mojave Subdivision
The Union Pacific Railroad Mojave Subdivision is a freight rail line in Southern California that runs through the Mojave Desert, serving as a key east–west corridor for Union Pacific’s operations in the region.
- 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: Las Vegas and Tonopah Railroad Target entity description: The Las Vegas and Tonopah Railroad was an early 20th-century Nevada rail line that connected Las Vegas with mining boomtowns in the state’s south-central region, serving as a key carrier for ore, supplies, and passengers during the mining rush era.
-
A.
Tonopah and Tidewater Railroad
The Tonopah and Tidewater Railroad was an early 20th-century short line that served mining regions of Nevada and California, transporting ore and supplies across the Mojave Desert.
-
B.
Virginia and Truckee Railroad
The Virginia and Truckee Railroad was a historic 19th-century short-line railway in Nevada that played a crucial role in transporting ore, supplies, and passengers for the Comstock Lode mining boom.
-
C.
Winchester and Western Railroad
Winchester and Western Railroad is a regional shortline railroad that operates freight services in parts of the Mid-Atlantic United States, including the South Jersey area.
-
D.
Carson and Colorado Railway
The Carson and Colorado Railway was a narrow-gauge railroad that operated in the late 19th and early 20th centuries, primarily serving remote mining regions in Nevada and eastern California.
-
E.
Union Pacific Railroad Mojave Subdivision
The Union Pacific Railroad Mojave Subdivision is a freight rail line in Southern California that runs through the Mojave Desert, serving as a key east–west corridor for Union Pacific’s operations in the region.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
defunct railroad
ⓘ
railroad company ⓘ |
| abandoned | 1918 ⓘ |
| category |
mining railroads in the United States
ⓘ
rail transport in Nevada ⓘ |
| completedToGoldfield | 1907 ⓘ |
| connectedTo | San Pedro, Los Angeles and Salt Lake Railroad NERFINISHED ⓘ |
| constructionReason | development of gold and silver mining camps in south‑central Nevada ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| declineCause |
competition from automobiles and trucks
ⓘ
decline of mining activity in served districts ⓘ |
| economicRole |
key carrier for freight and supplies to mining camps
ⓘ
key carrier for ore during Nevada mining rush ⓘ passenger transportation to and from mining boomtowns ⓘ |
| endPoint | Goldfield, Nevada NERFINISHED ⓘ |
| era | early 20th century ⓘ |
| headquartersLocation | Las Vegas, Nevada NERFINISHED ⓘ |
| heritage | remembered in Nevada railroad history ⓘ |
| historicalSignificance |
contributed to early growth of Las Vegas as a rail hub
ⓘ
important transportation link during Nevada mining boom era ⓘ |
| infrastructureRemnants | abandoned grades and rights‑of‑way in Nevada desert ⓘ |
| junctionLocation | Las Vegas, Nevada NERFINISHED ⓘ |
| locatedIn | Nevada ⓘ |
| openedForService | 1907 ⓘ |
| primaryTraffic |
ore
ⓘ
passengers ⓘ supplies ⓘ |
| propulsion | steam locomotives ⓘ |
| purpose | to connect Las Vegas with Nevada mining boomtowns ⓘ |
| railGauge | standard gauge ⓘ |
| servedIndustry | mining industry ⓘ |
| servedRegion |
southern Nevada
ⓘ
south‑central Nevada mining districts ⓘ |
| servedTown |
Beatty, Nevada
NERFINISHED
ⓘ
Goldfield, Nevada NERFINISHED ⓘ Indian Springs, Nevada NERFINISHED ⓘ Pahrump Valley region NERFINISHED ⓘ Rhyolite, Nevada NERFINISHED ⓘ Tonopah mining region (via connections) ⓘ |
| startPoint | Las Vegas, Nevada NERFINISHED ⓘ |
| status |
abandoned
ⓘ
no longer in operation ⓘ |
| successorLine | none (line fully abandoned) ⓘ |
| trackLength | approximately 170 miles ⓘ |
| trackType | single‑track line ⓘ |
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: Las Vegas and Tonopah Railroad Description of subject: The Las Vegas and Tonopah Railroad was an early 20th-century Nevada rail line that connected Las Vegas with mining boomtowns in the state’s south-central region, serving as a key carrier for ore, supplies, and passengers during the mining rush era.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Goldfield, Nevada