Promontory Summit rail junction
E721091
Promontory Summit rail junction is the historic Utah rail site where the First Transcontinental Railroad was completed in 1869, symbolically linking the eastern and western United States.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Golden Spike junction | 1 |
| Promontory Summit rail junction canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8255210 — 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: Promontory Summit rail junction Context triple: [Golden Spike ceremony, relatedInfrastructure, Promontory Summit rail junction]
-
A.
Great Overland Station
Great Overland Station is a historic former railroad depot in Topeka, Kansas, now serving as a restored landmark and community event center.
-
B.
Creel station
Creel station is a railway stop in the town of Creel, Chihuahua, Mexico, best known as a key passenger station on the scenic Ferrocarril Chihuahua al Pacífico route through the Copper Canyon region.
-
C.
Kelso Depot
Kelso Depot is a historic former railroad station and visitor center in California’s Mojave Desert, notable for its Spanish Mission Revival architecture and role in serving travelers and workers along the Union Pacific Railroad.
-
D.
Santiam Junction
Santiam Junction is a small highway junction in Oregon’s Cascade Range where major routes connect travelers between the Willamette Valley and central and eastern Oregon.
-
E.
Point of Rocks station
Point of Rocks station is a historic railroad station in Maryland that serves MARC’s Brunswick Line and is noted for its distinctive Victorian Gothic architecture at the junction of major rail lines.
- 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: Promontory Summit rail junction Target entity description: Promontory Summit rail junction is the historic Utah rail site where the First Transcontinental Railroad was completed in 1869, symbolically linking the eastern and western United States.
-
A.
Great Overland Station
Great Overland Station is a historic former railroad depot in Topeka, Kansas, now serving as a restored landmark and community event center.
-
B.
Creel station
Creel station is a railway stop in the town of Creel, Chihuahua, Mexico, best known as a key passenger station on the scenic Ferrocarril Chihuahua al Pacífico route through the Copper Canyon region.
-
C.
Kelso Depot
Kelso Depot is a historic former railroad station and visitor center in California’s Mojave Desert, notable for its Spanish Mission Revival architecture and role in serving travelers and workers along the Union Pacific Railroad.
-
D.
Santiam Junction
Santiam Junction is a small highway junction in Oregon’s Cascade Range where major routes connect travelers between the Willamette Valley and central and eastern Oregon.
-
E.
Point of Rocks station
Point of Rocks station is a historic railroad station in Maryland that serves MARC’s Brunswick Line and is noted for its distinctive Victorian Gothic architecture at the junction of major rail lines.
- F. None of above. chosen
Statements (40)
| Predicate | Object |
|---|---|
| instanceOf |
historic site
ⓘ
rail junction ⓘ railroad landmark ⓘ |
| alsoKnownAs |
Golden Spike site
ⓘ
linked to:
Golden Spike National Historical Park
Promontory Summit ⓘ
linked to:
Promontory Summit, Utah Territory
|
| category |
National Historic Landmarks in Utah
ⓘ
linked to:
National Historic Landmarks by U.S. state
historic railway stations in the United States ⓘ rail infrastructure completed in 1869 ⓘ rail transport in Utah ⓘ |
| connectedRegion |
American East
ⓘ
American West ⓘ
linked to:
Old West
|
| constructionEra | 19th century ⓘ |
| coordinateSystem |
World Geodetic System 1984
ⓘ
linked to:
WGS84
|
| country |
United States
ⓘ
linked to:
United States of America
|
| dateOfEvent | 1869-05-10 ⓘ |
| event | Golden Spike ceremony ⓘ |
| formerlyPartOf |
Golden Spike National Historic Site
ⓘ
linked to:
Golden Spike National Historical Park
|
| hasCommemoration | annual reenactment of Golden Spike ceremony ⓘ |
| hasReplica |
replica Central Pacific locomotive Jupiter
ⓘ
replica Union Pacific locomotive No. 119 ⓘ
linked to:
Union Pacific No. 119
|
| hasSymbolicMeaning |
completion of coast-to-coast rail travel in the United States
ⓘ
linking eastern and western United States ⓘ |
| heritageDesignation |
National Historic Civil Engineering Landmark
ⓘ
National Historic Landmark ⓘ |
| impact |
accelerated settlement of the American West
ⓘ
facilitated transcontinental commerce ⓘ reduced coast-to-coast travel time ⓘ |
| locatedIn |
Box Elder County, Utah
ⓘ
Great Basin region ⓘ
linked to:
Great Basin
Utah ⓘ |
| locatedNear | Great Salt Lake ⓘ |
| locatedOn |
Promontory Summit
ⓘ
linked to:
Promontory Summit, Utah Territory
|
| ownedBy | National Park Service ⓘ |
| partOf |
First Transcontinental Railroad
ⓘ
Golden Spike National Historical Park ⓘ |
| railGauge | standard gauge ⓘ |
| railroadConnected |
Central Pacific Railroad
ⓘ
Union Pacific Railroad ⓘ |
| significantEvent | completion of the First Transcontinental Railroad ⓘ |
| transportationMode | rail transport ⓘ |
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: Promontory Summit rail junction Description of subject: Promontory Summit rail junction is the historic Utah rail site where the First Transcontinental Railroad was completed in 1869, symbolically linking the eastern and western United States.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Promontory Summit rail junction