Mesabi Range
E245176
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.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Mesabi Range canonical | 18 |
| 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 Taconite Mine
ⓘ
linked to:
Hibbing mining district
Hull–Rust–Mahoning Open Pit Iron Mine ⓘ KeeTac Mine ⓘ Minntac Mine ⓘ United Taconite Mine ⓘ
linked to:
KeeTac Mine
|
| country |
United States
ⓘ
linked to:
United States of America
|
| discoveryDate | 1890s ⓘ |
| economicImportance | major source of iron for the United States steel industry ⓘ |
| geologicAge |
Paleoproterozoic
ⓘ
linked to:
Paleoproterozoic Era
|
| 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 ⓘ
linked to:
Hibbing, Minnesota, United States
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 (Minnesota) ⓘ
linked to:
Iron Range
|
| peakProductionPeriod |
World War I
ⓘ
World War II ⓘ |
| primaryResource |
iron ore
ⓘ
taconite ⓘ |
| producedFor |
Bethlehem Steel
ⓘ
linked to:
Bethlehem Steel Corporation
U.S. Steel ⓘ
linked to:
United States Steel Corporation
other American steel companies ⓘ |
| supports | regional economy of northeastern Minnesota ⓘ |
| transportMode |
Great Lakes ore ships
ⓘ
railroad ⓘ |
| transportRoute |
Duluth, Minnesota
ⓘ
linked to:
Duluth
Two Harbors, Minnesota ⓘ |
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: Mesabi Range Description of subject: 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.
Referenced by (23)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Hibbing, Minnesota, United States
linked to: Mesabi Range
linked to: Mesabi Range
linked to: Mesabi Range
linked to: Mesabi Range