Mexican–American War boundary surveys
E842019
The Mexican–American War boundary surveys were a series of mid-19th-century expeditions that mapped and demarcated the new international border between the United States and Mexico following the war and the Treaty of Guadalupe Hidalgo.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Mexican–American War boundary surveys canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10107416 — 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: Mexican–American War boundary surveys Context triple: [United States Army surveyors, playedRoleIn, Mexican–American War boundary surveys]
-
A.
Pig War
The Pig War was an 1859 border dispute between the United States and Great Britain over the San Juan Islands that is notable for having escalated from the shooting of a pig yet resulted in no human casualties.
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B.
Guadalupe Hidalgo
Guadalupe Hidalgo is a neighborhood in Mexico City historically notable as the site where the 1848 Treaty of Guadalupe Hidalgo was signed, ending the Mexican–American War.
-
C.
Qualla Boundary
Qualla Boundary is a land trust in western North Carolina that serves as the primary homeland and governmental center for the Eastern Band of Cherokee Indians.
-
D.
United States Volunteers in New Mexico Territory
The United States Volunteers in New Mexico Territory were locally raised Union military units composed largely of Hispanic and Native American soldiers who defended the territory and helped repel Confederate advances during the American Civil War.
-
E.
Cochise–Howard peace agreement
The Cochise–Howard peace agreement was an 1872 treaty negotiated by Apache leader Cochise and U.S. Army General Oliver O. Howard that ended years of conflict and established a reservation for the Chiricahua Apache in Arizona.
- 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: Mexican–American War boundary surveys Target entity description: The Mexican–American War boundary surveys were a series of mid-19th-century expeditions that mapped and demarcated the new international border between the United States and Mexico following the war and the Treaty of Guadalupe Hidalgo.
-
A.
Pig War
The Pig War was an 1859 border dispute between the United States and Great Britain over the San Juan Islands that is notable for having escalated from the shooting of a pig yet resulted in no human casualties.
-
B.
Guadalupe Hidalgo
Guadalupe Hidalgo is a neighborhood in Mexico City historically notable as the site where the 1848 Treaty of Guadalupe Hidalgo was signed, ending the Mexican–American War.
-
C.
Qualla Boundary
Qualla Boundary is a land trust in western North Carolina that serves as the primary homeland and governmental center for the Eastern Band of Cherokee Indians.
-
D.
United States Volunteers in New Mexico Territory
The United States Volunteers in New Mexico Territory were locally raised Union military units composed largely of Hispanic and Native American soldiers who defended the territory and helped repel Confederate advances during the American Civil War.
-
E.
Cochise–Howard peace agreement
The Cochise–Howard peace agreement was an 1872 treaty negotiated by Apache leader Cochise and U.S. Army General Oliver O. Howard that ended years of conflict and established a reservation for the Chiricahua Apache in Arizona.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
United States–Mexico border survey
ⓘ
boundary survey ⓘ historical event ⓘ |
| appliesToPart |
California–Baja California boundary
NERFINISHED
ⓘ
Gila River NERFINISHED ⓘ New Mexico–Chihuahua boundary NERFINISHED ⓘ Rio Grande NERFINISHED ⓘ Texas–Coahuila boundary NERFINISHED ⓘ |
| basedOn | Treaty of Guadalupe Hidalgo NERFINISHED ⓘ |
| conflictContext | Mexican–American War NERFINISHED ⓘ |
| countryInvolved |
Mexico
NERFINISHED
ⓘ
United States of America NERFINISHED ⓘ |
| endTime | 1850s ⓘ |
| fieldOfWork |
cartography
ⓘ
geodesy ⓘ international law ⓘ |
| followedBy | Gadsden Purchase boundary surveys ⓘ |
| follows |
Mexican–American War
NERFINISHED
ⓘ
Treaty of Guadalupe Hidalgo NERFINISHED ⓘ |
| hasEffect |
clarification of the U.S.–Mexico international border
ⓘ
creation of official boundary maps ⓘ establishment of physical boundary markers ⓘ |
| hasPart |
United States and Mexican Boundary Commission
NERFINISHED
ⓘ
field survey expeditions ⓘ |
| languageOfWork |
English
ⓘ
Spanish ⓘ |
| legalBasis |
Treaty of Guadalupe Hidalgo Article V
NERFINISHED
ⓘ
Treaty of Guadalupe Hidalgo Article VI NERFINISHED ⓘ |
| location |
Northern Mexico
NERFINISHED
ⓘ
Southwestern United States NERFINISHED ⓘ United States–Mexico border NERFINISHED ⓘ |
| participant |
Mexican boundary commissioners
ⓘ
U.S. boundary commissioners ⓘ |
| partOf |
aftermath of the Mexican–American War
ⓘ
history of the United States–Mexico border ⓘ |
| purpose |
demarcate the new international boundary between the United States and Mexico
ⓘ
map the new international boundary between the United States and Mexico ⓘ |
| result |
detailed border maps deposited with both governments
ⓘ
official boundary survey reports ⓘ |
| significantEvent |
placement of boundary monuments along the Rio Grande
ⓘ
survey of the land boundary from the Rio Grande to the Pacific Ocean ⓘ |
| startTime | 1849 ⓘ |
| timePeriod | mid-19th century ⓘ |
| used |
astronomical observations
ⓘ
topographic mapping ⓘ triangulation methods ⓘ |
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: Mexican–American War boundary surveys Description of subject: The Mexican–American War boundary surveys were a series of mid-19th-century expeditions that mapped and demarcated the new international border between the United States and Mexico following the war and the Treaty of Guadalupe Hidalgo.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.