Anaconda Copper Mining Company
E1435749
UNEXPLORED
The Anaconda Copper Mining Company was a major American mining corporation that became one of the world’s largest copper producers and a dominant economic force in Montana and the wider Rocky Mountain region.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Anaconda Copper Mining Company canonical | 3 |
| Anaconda Copper Company | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T20531961 — 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: Anaconda Copper Mining Company Context triple: [Anaconda, Montana, developedByIndustry, Anaconda Copper Mining Company]
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A.
Ray Consolidated Copper Company
Ray Consolidated Copper Company was an early 20th-century American mining firm known for its copper operations in Arizona before being absorbed into larger corporate ownership.
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B.
United Verde Copper Company
The United Verde Copper Company was a major early 20th-century American mining company in Arizona, central to the region’s copper production and the development of nearby company towns.
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C.
Nevada Consolidated Copper Company
Nevada Consolidated Copper Company was a major early 20th-century American mining firm known for its large-scale copper operations in eastern Nevada.
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D.
Braden Copper Company
Braden Copper Company was an American mining company that played a major role in developing and operating large-scale copper mining operations in Chile in the early 20th century.
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E.
Calumet & Hecla Mining Company
Calumet & Hecla Mining Company was a major American copper mining company based in Michigan’s Keweenaw Peninsula that dominated U.S. copper production in the late 19th and early 20th centuries.
- 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: Anaconda Copper Mining Company Target entity description: The Anaconda Copper Mining Company was a major American mining corporation that became one of the world’s largest copper producers and a dominant economic force in Montana and the wider Rocky Mountain region.
-
A.
Ray Consolidated Copper Company
Ray Consolidated Copper Company was an early 20th-century American mining firm known for its copper operations in Arizona before being absorbed into larger corporate ownership.
-
B.
United Verde Copper Company
The United Verde Copper Company was a major early 20th-century American mining company in Arizona, central to the region’s copper production and the development of nearby company towns.
-
C.
Nevada Consolidated Copper Company
Nevada Consolidated Copper Company was a major early 20th-century American mining firm known for its large-scale copper operations in eastern Nevada.
-
D.
Braden Copper Company
Braden Copper Company was an American mining company that played a major role in developing and operating large-scale copper mining operations in Chile in the early 20th century.
-
E.
Calumet & Hecla Mining Company
Calumet & Hecla Mining Company was a major American copper mining company based in Michigan’s Keweenaw Peninsula that dominated U.S. copper production in the late 19th and early 20th centuries.
- F. None of above. chosen
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.