United Verde Mine
E792965
The United Verde Mine was a major copper mining operation in Jerome, Arizona, that drove the town’s rapid growth and economic boom in the late 19th and early 20th centuries.
All labels observed (2)
| Label | Occurrences |
|---|---|
| United Verde Extension Mine | 1 |
| United Verde Mine canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9344193 — 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: United Verde Mine Context triple: [Jerome, Arizona, developedAround, United Verde Mine]
-
A.
Capps Mine
Capps Mine is a historically significant gold mine in North Carolina known for its role in the state’s early gold-mining industry.
-
B.
Dolores Mine
Dolores Mine is a historic silver mine in Mineral del Monte, Mexico, now preserved as a cultural and tourist site showcasing the region’s mining heritage.
-
C.
Tioga Mine
Tioga Mine was a historic silver mining operation in the Sierra Nevada of California that gave its name to nearby Tioga Pass.
-
D.
Cortez Gold Mine
Cortez Gold Mine is a major gold-producing mining complex in north-central Nevada and one of the largest and longest-operating gold mines in the United States.
-
E.
Round Mountain Gold Mine
Round Mountain Gold Mine is a large open-pit gold mining operation in central Nevada known for its significant gold production.
- 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: United Verde Mine Target entity description: The United Verde Mine was a major copper mining operation in Jerome, Arizona, that drove the town’s rapid growth and economic boom in the late 19th and early 20th centuries.
-
A.
Capps Mine
Capps Mine is a historically significant gold mine in North Carolina known for its role in the state’s early gold-mining industry.
-
B.
Dolores Mine
Dolores Mine is a historic silver mine in Mineral del Monte, Mexico, now preserved as a cultural and tourist site showcasing the region’s mining heritage.
-
C.
Tioga Mine
Tioga Mine was a historic silver mining operation in the Sierra Nevada of California that gave its name to nearby Tioga Pass.
-
D.
Cortez Gold Mine
Cortez Gold Mine is a major gold-producing mining complex in north-central Nevada and one of the largest and longest-operating gold mines in the United States.
-
E.
Round Mountain Gold Mine
Round Mountain Gold Mine is a large open-pit gold mining operation in central Nevada known for its significant gold production.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
copper mine
ⓘ
open-pit mine ⓘ underground mine ⓘ |
| associatedIndustry |
rail transport
ⓘ
smelting ⓘ |
| associatedWith |
Jerome mining district
NERFINISHED
ⓘ
town of Clarkdale, Arizona NERFINISHED ⓘ |
| closed | mid-20th century ⓘ |
| contributedTo |
development of Clarkdale as a company town
ⓘ
wealth of William A. Clark ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| currentUse | historic mining site ⓘ |
| discovered | late 19th century ⓘ |
| employed | thousands of miners ⓘ |
| endDate | 1953 ⓘ |
| environmentalImpact |
smelter emissions
ⓘ
subsidence in Jerome, Arizona ⓘ |
| geologicalSetting | volcanogenic massive sulfide deposit ⓘ |
| hasSmelter | United Verde smelter at Clarkdale, Arizona NERFINISHED ⓘ |
| heritageStatus | part of Jerome Historic District ⓘ |
| historicalEra | American Old West NERFINISHED ⓘ |
| locatedIn |
Arizona
NERFINISHED
ⓘ
Jerome, Arizona NERFINISHED ⓘ United States of America ⓘ
surface form:
United States
Yavapai County, Arizona NERFINISHED ⓘ |
| miningMethod |
open-pit mining in later years
ⓘ
underground stoping ⓘ |
| near | Black Hills of central Arizona NERFINISHED ⓘ |
| notableFor |
contributing to Jerome’s boomtown status
ⓘ
high-grade copper ore ⓘ |
| notableOwner | William A. Clark NERFINISHED ⓘ |
| oreType | massive sulfide copper ore ⓘ |
| ownedBy |
United Verde Copper Company
NERFINISHED
ⓘ
William A. Clark NERFINISHED ⓘ |
| partOf | copper mining industry in Arizona ⓘ |
| peakProductionPeriod | early 20th century ⓘ |
| primaryProduct | copper ⓘ |
| produced |
copper
ⓘ
gold ⓘ silver ⓘ |
| railConnection | Arizona rail lines serving Jerome and Clarkdale ⓘ |
| significantFor |
economic development of Jerome, Arizona
ⓘ
rapid growth of Jerome, Arizona in the early 20th century ⓘ rapid growth of Jerome, Arizona in the late 19th century ⓘ |
| startDate |
1880s
ⓘ
1883 ⓘ |
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: United Verde Mine Description of subject: The United Verde Mine was a major copper mining operation in Jerome, Arizona, that drove the town’s rapid growth and economic boom in the late 19th and early 20th centuries.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
United Verde Extension Mine