Quincy Smelter
E884946
Quincy Smelter is a historic copper smelting complex in Michigan’s Keweenaw Peninsula, notable as one of the most intact remnants of the region’s 19th- and early 20th-century copper mining industry.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Quincy Smelter canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10773624 — 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: Quincy Smelter Context triple: [Quincy Mine, hasStructure, Quincy Smelter]
-
A.
Quincy Mine
Quincy Mine is a historic copper mining complex in Michigan’s Keweenaw Peninsula, preserved today as a major heritage and tourism site showcasing the region’s mining history.
-
B.
Tioga Mine
Tioga Mine was a historic silver mining operation in the Sierra Nevada of California that gave its name to nearby Tioga Pass.
-
C.
Andoom Mine
Andoom Mine is a major bauxite mining operation near Weipa in Queensland, Australia, contributing significantly to the region’s aluminum ore production.
-
D.
Randolph Mine
Randolph Mine is a historically significant gold mine in North Carolina, known for its role in the state’s early gold mining industry.
-
E.
Premier Mine
Premier Mine, now known as the Cullinan Diamond Mine in South Africa, is a historically significant diamond mine famed for producing some of the largest and most important gem-quality diamonds in the world.
- 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: Quincy Smelter Target entity description: Quincy Smelter is a historic copper smelting complex in Michigan’s Keweenaw Peninsula, notable as one of the most intact remnants of the region’s 19th- and early 20th-century copper mining industry.
-
A.
Quincy Mine
Quincy Mine is a historic copper mining complex in Michigan’s Keweenaw Peninsula, preserved today as a major heritage and tourism site showcasing the region’s mining history.
-
B.
Tioga Mine
Tioga Mine was a historic silver mining operation in the Sierra Nevada of California that gave its name to nearby Tioga Pass.
-
C.
Andoom Mine
Andoom Mine is a major bauxite mining operation near Weipa in Queensland, Australia, contributing significantly to the region’s aluminum ore production.
-
D.
Randolph Mine
Randolph Mine is a historically significant gold mine in North Carolina, known for its role in the state’s early gold mining industry.
-
E.
Premier Mine
Premier Mine, now known as the Cullinan Diamond Mine in South Africa, is a historically significant diamond mine famed for producing some of the largest and most important gem-quality diamonds in the world.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
copper smelter
ⓘ
historic site ⓘ industrial complex ⓘ |
| associatedIndustry | Lake Superior copper mining ⓘ |
| associatedWith |
Keweenaw copper mining district
NERFINISHED
ⓘ
Quincy Mine NERFINISHED ⓘ |
| builtFor | processing copper ore from Quincy Mine ⓘ |
| category |
Copper smelting and refining
ⓘ
Historic industrial sites in Michigan ⓘ Industrial heritage of the United States ⓘ |
| conservation | subject of stabilization and cleanup efforts ⓘ |
| constructionStart | late 19th century ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| county | Houghton County, Michigan NERFINISHED ⓘ |
| currentUse | historic and interpretive site ⓘ |
| era |
19th century
ⓘ
early 20th century ⓘ |
| function | smelting copper ore into refined copper ⓘ |
| geographicRegion | Upper Peninsula of Michigan NERFINISHED ⓘ |
| hasPart |
industrial waterfront structures
ⓘ
ore handling facilities ⓘ powerhouse structures ⓘ smelter buildings ⓘ stacks and chimneys ⓘ |
| heritageDesignation |
National Historic Landmark District contributing property
ⓘ
National Register of Historic Places contributing property NERFINISHED ⓘ |
| historicUse | metallurgical processing ⓘ |
| industry | copper smelting ⓘ |
| locatedIn |
Keweenaw Peninsula
NERFINISHED
ⓘ
Michigan NERFINISHED ⓘ United States of America ⓘ
surface form:
United States
city of Hancock, Michigan NERFINISHED ⓘ |
| locatedNear |
Hancock, Michigan
NERFINISHED
ⓘ
Houghton, Michigan NERFINISHED ⓘ |
| locatedOn | shore of Portage Lake ⓘ |
| materialProcessed | native copper ⓘ |
| nearWaterway | Keweenaw Waterway NERFINISHED ⓘ |
| notableFor |
intact arrangement of historic smelting facilities
ⓘ
representation of large-scale Lake Superior copper processing ⓘ |
| ownedBy | Quincy Mining Company NERFINISHED ⓘ |
| partOf |
Quincy Mining Company
NERFINISHED
ⓘ
Quincy Mining Company National Historic Landmark District NERFINISHED ⓘ |
| preservationStatus | partially preserved industrial ruins ⓘ |
| significance |
one of the most intact historic copper smelting sites in the United States
ⓘ
represents 19th- and early 20th-century copper mining industry of the Keweenaw Peninsula ⓘ |
| state |
Michigan (most of state)
ⓘ
surface form:
Michigan
|
| tourism | heritage tourism site ⓘ |
| waterbody | Portage Lake NERFINISHED ⓘ |
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: Quincy Smelter Description of subject: Quincy Smelter is a historic copper smelting complex in Michigan’s Keweenaw Peninsula, notable as one of the most intact remnants of the region’s 19th- and early 20th-century copper mining industry.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.