Quincy No. 4 Shaft
E886198
Quincy No. 4 Shaft is a historic deep copper mine shaft of the Quincy Mine in Michigan’s Keweenaw Peninsula, notable for its role in early 20th-century copper production and mining engineering.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Quincy No. 4 Shaft canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10773623 — 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 No. 4 Shaft Context triple: [Quincy Mine, hasStructure, Quincy No. 4 Shaft]
-
A.
Quincy No. 2 Shaft-Rockhouse
Quincy No. 2 Shaft-Rockhouse is a historic copper mine shaft and rockhouse structure in Michigan’s Keweenaw Peninsula, notable as a prominent remnant of the Quincy Mine’s industrial operations.
-
B.
Quincy Unit
Quincy Unit is a historically significant section of Michigan’s Keweenaw National Historical Park that preserves and interprets the legacy of the Quincy Mining Company and the region’s copper mining heritage.
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C.
Harlem Air Shaft
"Harlem Air Shaft" is a 1940 jazz composition by Duke Ellington that vividly evokes the sounds and atmosphere of life in a Harlem apartment building.
-
D.
Wheeling Tunnel
The Wheeling Tunnel is a vehicular highway tunnel in Wheeling, West Virginia, carrying Interstate 70 beneath the city's downtown area along a major east–west transportation corridor.
-
E.
Grand Shaft
The Grand Shaft is a historic triple-helix staircase and defensive shaft in Dover, England, built to rapidly move troops between the Western Heights fortifications and the town below.
- 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 No. 4 Shaft Target entity description: Quincy No. 4 Shaft is a historic deep copper mine shaft of the Quincy Mine in Michigan’s Keweenaw Peninsula, notable for its role in early 20th-century copper production and mining engineering.
-
A.
Quincy No. 2 Shaft-Rockhouse
Quincy No. 2 Shaft-Rockhouse is a historic copper mine shaft and rockhouse structure in Michigan’s Keweenaw Peninsula, notable as a prominent remnant of the Quincy Mine’s industrial operations.
-
B.
Quincy Unit
Quincy Unit is a historically significant section of Michigan’s Keweenaw National Historical Park that preserves and interprets the legacy of the Quincy Mining Company and the region’s copper mining heritage.
-
C.
Harlem Air Shaft
"Harlem Air Shaft" is a 1940 jazz composition by Duke Ellington that vividly evokes the sounds and atmosphere of life in a Harlem apartment building.
-
D.
Wheeling Tunnel
The Wheeling Tunnel is a vehicular highway tunnel in Wheeling, West Virginia, carrying Interstate 70 beneath the city's downtown area along a major east–west transportation corridor.
-
E.
Grand Shaft
The Grand Shaft is a historic triple-helix staircase and defensive shaft in Dover, England, built to rapidly move troops between the Western Heights fortifications and the town below.
- F. None of above. chosen
Statements (39)
| Predicate | Object |
|---|---|
| instanceOf |
historic site
ⓘ
mine shaft ⓘ |
| associatedWith |
Keweenaw copper mining district
NERFINISHED
ⓘ
Lake Superior copper mining ⓘ industrial archaeology ⓘ |
| category |
copper mines in Michigan
ⓘ
historic mining infrastructure ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| engineeringType | deep vertical mine shaft ⓘ |
| era | early 20th century ⓘ |
| featureOf | Quincy Mine underground workings NERFINISHED ⓘ |
| geologicalSetting | Keweenawan copper-bearing rocks ⓘ |
| heritageDesignation | contributing property to a National Historic Landmark district ⓘ |
| heritageStatus | historic mine feature ⓘ |
| industry | copper industry ⓘ |
| locatedIn |
Houghton County, Michigan
NERFINISHED
ⓘ
Keweenaw Peninsula NERFINISHED ⓘ Quincy Township, Michigan NERFINISHED ⓘ Upper Peninsula of Michigan ⓘ |
| locatedOn | north side of Portage Lake ⓘ |
| managedBy | Quincy Mine Hoist Association NERFINISHED ⓘ |
| materialExtracted | copper ore ⓘ |
| near |
Hancock, Michigan
NERFINISHED
ⓘ
Houghton, Michigan NERFINISHED ⓘ |
| notableFor |
depth of shaft
ⓘ
historic mining technology ⓘ role in large-scale industrial copper production ⓘ |
| openToPublic | yes ⓘ |
| ownedBy | Quincy Mining Company NERFINISHED ⓘ |
| partOf |
Quincy Mine
NERFINISHED
ⓘ
Quincy Mining Company National Historic Landmark District NERFINISHED ⓘ |
| preservation | preserved as industrial heritage ⓘ |
| region | Great Lakes region NERFINISHED ⓘ |
| significance |
example of advanced mining engineering of its era
ⓘ
important in early 20th-century copper production ⓘ |
| tourism | visited as part of Quincy Mine tours ⓘ |
| transportedTo | Quincy Mine surface facilities NERFINISHED ⓘ |
| usedFor |
copper mining
ⓘ
underground mining ⓘ |
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 No. 4 Shaft Description of subject: Quincy No. 4 Shaft is a historic deep copper mine shaft of the Quincy Mine in Michigan’s Keweenaw Peninsula, notable for its role in early 20th-century copper production and mining engineering.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.