Hull–Rust–Mahoning Open Pit Iron Mine

E242508

historic site open-pit iron mine

The Hull–Rust–Mahoning Open Pit Iron Mine is one of the world’s largest open-pit iron ore mines and a historically significant mining site on Minnesota’s Mesabi Range.

Try in SPARQL Jump to: Surface forms Disambiguation Statements Elicitation Referenced by

All labels observed (3)

Label	Occurrences
Hull–Rust–Mahoning Open Pit Iron Mine canonical	6
Hull–Rust Mine View	1
Hull–Rust–Mahoning Open Pit Iron Mine National Historic Landmark	1

How this entity was disambiguated

This entity first appeared as the object of triple T2191705 — 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: Hull–Rust–Mahoning Open Pit Iron Mine
Context triple: [Hibbing, Minnesota, isKnownFor, Hull–Rust–Mahoning Open Pit Iron Mine]

A. Tioga Mine
Tioga Mine was a historic silver mining operation in the Sierra Nevada of California that gave its name to nearby Tioga Pass.
B. Panguna mine
Panguna mine is a large, now-closed open-cut copper and gold mine in Papua New Guinea that was once among the world’s biggest and played a central role in the Bougainville conflict.
C. North Star Mine
North Star Mine is a historic gold mine and landmark in Grass Valley, California, that played a significant role in the region’s 19th- and early 20th-century mining industry.
D. Los Pelambres mine
Los Pelambres mine is a large open-pit copper and molybdenum mining operation located in the Coquimbo Region of Chile and operated by Antofagasta plc.
E. El Teniente mine
El Teniente mine is one of the world’s largest underground copper mines, located in central Chile and operated by the state-owned company Codelco.
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: Hull–Rust–Mahoning Open Pit Iron Mine
Target entity description: The Hull–Rust–Mahoning Open Pit Iron Mine is one of the world’s largest open-pit iron ore mines and a historically significant mining site on Minnesota’s Mesabi Range.

A. Tioga Mine
Tioga Mine was a historic silver mining operation in the Sierra Nevada of California that gave its name to nearby Tioga Pass.
B. Panguna mine
Panguna mine is a large, now-closed open-cut copper and gold mine in Papua New Guinea that was once among the world’s biggest and played a central role in the Bougainville conflict.
C. North Star Mine
North Star Mine is a historic gold mine and landmark in Grass Valley, California, that played a significant role in the region’s 19th- and early 20th-century mining industry.
D. Los Pelambres mine
Los Pelambres mine is a large open-pit copper and molybdenum mining operation located in the Coquimbo Region of Chile and operated by Antofagasta plc.
E. El Teniente mine
El Teniente mine is one of the world’s largest underground copper mines, located in central Chile and operated by the state-owned company Codelco.
F. None of above. chosen

Statements (45)

Predicate	Object
instanceOf	historic site ⓘ open-pit iron mine ⓘ
associatedIndustry	iron mining industry ⓘ steel industry supply chain ⓘ
associatedWith	Hibbing mining district ⓘ
beganOperation	1890s ⓘ
category	Historic districts on the National Register of Historic Places in Minnesota ⓘ Mines in Minnesota ⓘ National Historic Landmarks in Minnesota ⓘ Open-pit mines ⓘ
contributesTo	regional economic history of northern Minnesota ⓘ
country	United States ⓘ linked to: United States of America
eraOfGreatestActivity	early 20th century ⓘ
geologicalSetting	banded iron formation of Mesabi Range ⓘ
governingBody	local and state heritage authorities ⓘ
hasFeature	historic mining equipment ⓘ large open pit ⓘ mine benches and haul roads ⓘ overlook for visitors ⓘ waste rock piles ⓘ
hasViewpoint	Hull–Rust Mine View ⓘ linked to: Hull–Rust–Mahoning Open Pit Iron Mine
heritageDesignation	National Historic Landmark ⓘ National Register of Historic Places listing ⓘ linked to: National Register of Historic Places
heritageDesignationDate	1964 ⓘ
impact	contributed to development of Mesabi Range ⓘ contributed to growth of Hibbing ⓘ
locatedIn	Hibbing, Minnesota ⓘ linked to: Hibbing, Minnesota, United States Mesabi Range ⓘ Minnesota ⓘ St. Louis County, Minnesota ⓘ United States ⓘ linked to: United States of America
mines	iron ore ⓘ
near	city of Hibbing ⓘ linked to: Hibbing, Minnesota, United States
notableFor	immense size of pit ⓘ long continuous mining history ⓘ
NRHPType	historic district ⓘ
operator	various iron mining companies over time ⓘ
partOf	Mesabi Iron Range ⓘ linked to: Mesabi Range
region	Iron Range of Minnesota ⓘ linked to: Iron Range region of Minnesota
significance	historically important to U.S. steel industry ⓘ major source of iron ore for the United States ⓘ one of the world’s largest open-pit iron ore mines ⓘ
tourism	operates as a heritage tourism site ⓘ
usedFor	iron ore extraction ⓘ taconite and natural ore mining ⓘ

How these facts were elicited

Referenced by (8)

Full triples — surface form annotated when it differs from this entity's canonical label.

Hibbing, Minnesota → isKnownFor → Hull–Rust–Mahoning Open Pit Iron Mine ⓘ

subject linked to: Hibbing, Minnesota, United States

Hibbing, Minnesota → hasAttraction → Hull–Rust–Mahoning Open Pit Iron Mine ⓘ

subject linked to: Hibbing, Minnesota, United States

Hull–Rust–Mahoning Open Pit Iron Mine → hasViewpoint → Hull–Rust Mine View ⓘ

linked to: Hull–Rust–Mahoning Open Pit Iron Mine

Mesabi Range → containsMine → Hull–Rust–Mahoning Open Pit Iron Mine ⓘ

Hibbing → hasLandmark → Hull–Rust–Mahoning Open Pit Iron Mine ⓘ

Iron Range → tourismAttraction → Hull–Rust–Mahoning Open Pit Iron Mine ⓘ

Hibbing mining district → containsMine → Hull–Rust–Mahoning Open Pit Iron Mine ⓘ

Hibbing mining district → associatedWith → Hull–Rust–Mahoning Open Pit Iron Mine National Historic Landmark ⓘ