Mesabi Range

E245176

geologic formation iron ore mining district iron range

The Mesabi Range is a major iron ore mining district in northeastern Minnesota that has been one of the most important sources of iron for the United States.

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All labels observed (2)

Label	Occurrences
Mesabi Range canonical	8
Mesabi Iron Range	5

How this entity was disambiguated

This entity first appeared as the object of triple T2191693 — 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: Mesabi Range
Context triple: [Hibbing, Minnesota, partOf, Mesabi Range]

A. Santa Lucia Range
The Santa Lucia Range is a rugged coastal mountain range in central California known for its dramatic cliffs, redwood forests, and scenic stretches like Big Sur along the Pacific Ocean.
B. McPherson Range
McPherson Range is a mountain range forming part of the border between New South Wales and Queensland in eastern Australia, known for its rugged terrain and subtropical rainforests.
C. White Pine Range
The White Pine Range is a remote mountain range in eastern Nevada known for its rugged terrain, high-elevation forests, and classic Great Basin landscapes.
D. Black Rock Range
The Black Rock Range is a rugged mountain range in northwestern Nevada that borders the Black Rock Desert and forms part of the remote Great Basin landscape.
E. Franconia Range
The Franconia Range is a prominent mountain ridge in New Hampshire known for its rugged peaks, scenic hiking trails, and dramatic views within the White Mountains.
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: Mesabi Range
Target entity description: The Mesabi Range is a major iron ore mining district in northeastern Minnesota that has been one of the most important sources of iron for the United States.

A. Santa Lucia Range
The Santa Lucia Range is a rugged coastal mountain range in central California known for its dramatic cliffs, redwood forests, and scenic stretches like Big Sur along the Pacific Ocean.
B. McPherson Range
McPherson Range is a mountain range forming part of the border between New South Wales and Queensland in eastern Australia, known for its rugged terrain and subtropical rainforests.
C. White Pine Range
The White Pine Range is a remote mountain range in eastern Nevada known for its rugged terrain, high-elevation forests, and classic Great Basin landscapes.
D. Black Rock Range
The Black Rock Range is a rugged mountain range in northwestern Nevada that borders the Black Rock Desert and forms part of the remote Great Basin landscape.
E. Franconia Range
The Franconia Range is a prominent mountain ridge in New Hampshire known for its rugged peaks, scenic hiking trails, and dramatic views within the White Mountains.
F. None of above. chosen

Statements (50)

Predicate	Object
instanceOf	geologic formation ⓘ iron ore mining district ⓘ iron range ⓘ
contains	banded iron formation ⓘ
containsMine	Hibbing mining district ⓘ surface form: Hibbing Taconite Mine Hull–Rust–Mahoning Open Pit Iron Mine ⓘ KeeTac Mine ⓘ Minntac Mine ⓘ KeeTac Mine ⓘ surface form: United Taconite Mine
country	United States of America ⓘ surface form: United States
discoveryDate	1890s ⓘ
economicImportance	major source of iron for the United States steel industry ⓘ
geologicAge	Paleoproterozoic Era ⓘ surface form: Paleoproterozoic
geologicProvince	Canadian Shield ⓘ
hasTourismAttraction	Iron mining heritage sites and museums ⓘ
historicalSignificance	one of the most important iron-producing regions in the United States ⓘ
knownFor	large iron ore deposits ⓘ open-pit iron mining ⓘ
length	approximately 110 miles ⓘ
locatedIn	Itasca County, Minnesota ⓘ Lake County, Minnesota ⓘ Minnesota ⓘ St. Louis County, Minnesota ⓘ
locatedInRegion	northeastern Minnesota ⓘ
majorTown	Chisholm, Minnesota ⓘ Eveleth, Minnesota ⓘ Hibbing, Minnesota, United States ⓘ surface form: Hibbing, Minnesota Mountain Iron, Minnesota ⓘ Virginia, Minnesota ⓘ
miningBoomPeriod	early 20th century ⓘ late 19th century ⓘ
namedFor	Mesabi, an Ojibwe word often interpreted as "giant" ⓘ
oreType	hematite ⓘ low-grade iron ore ⓘ magnetite ⓘ
orientation	southwest–northeast ⓘ
partOf	Animikie Group ⓘ Iron Range ⓘ surface form: Iron Range (Minnesota)
peakProductionPeriod	World War I ⓘ World War II ⓘ
primaryResource	iron ore ⓘ taconite ⓘ
producedFor	Bethlehem Steel Corporation ⓘ surface form: Bethlehem Steel United States Steel Corporation ⓘ surface form: U.S. Steel other American steel companies ⓘ
supports	regional economy of northeastern Minnesota ⓘ
transportMode	Great Lakes ore ships ⓘ railroad ⓘ
transportRoute	Duluth ⓘ surface form: Duluth, Minnesota Two Harbors, Minnesota ⓘ

How these facts were elicited

Referenced by (13)

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

Hibbing, Minnesota, United States → partOf → Mesabi Range ⓘ

subject surface form: Hibbing, Minnesota

Iron Range region of Minnesota → contains → Mesabi Range ⓘ

Northern Minnesota → contains → Mesabi Range ⓘ

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

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