Tri-State mining district

E153618

historic region mining district

The Tri-State mining district was a historically significant lead and zinc mining region spanning parts of Kansas, Missouri, and Oklahoma in the central United States.

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All labels observed (6)

Label	Occurrences
Tri-State mining district canonical	6
Tri-State Mining District	4
Tri-State mining region	3
Tri-State lead and zinc mining district	1
U.S. lead-zinc belt	1
historic Tri-State Mining District	1

How this entity was disambiguated

This entity first appeared as the object of triple T1337200 — 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: Tri-State mining district
Context triple: [Cherokee County, Kansas, partOf, Tri-State mining district]

A. Comstock Lode area
The Comstock Lode area is a historically significant mining district in Nevada famed for its rich silver ore deposits that spurred a major 19th-century mining boom and helped drive U.S. economic growth.
B. Battle Mountain mining district
The Battle Mountain mining district is a historically significant mineral-producing area in north-central Nevada known for its rich gold and copper deposits.
C. Nevada mining districts
Nevada mining districts are historically significant regions in Nevada where rich mineral deposits, especially silver and gold, spurred major mining booms and economic development in the 19th and early 20th centuries.
D. Tioga Mine
Tioga Mine was a historic silver mining operation in the Sierra Nevada of California that gave its name to nearby Tioga Pass.
E. Mother Lode region
The Mother Lode region is a historic gold-bearing area in the Sierra Nevada foothills of California, famed as the heart of the 19th-century gold-mining boom.
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: Tri-State mining district
Target entity description: The Tri-State mining district was a historically significant lead and zinc mining region spanning parts of Kansas, Missouri, and Oklahoma in the central United States.

A. Comstock Lode area
The Comstock Lode area is a historically significant mining district in Nevada famed for its rich silver ore deposits that spurred a major 19th-century mining boom and helped drive U.S. economic growth.
B. Battle Mountain mining district
The Battle Mountain mining district is a historically significant mineral-producing area in north-central Nevada known for its rich gold and copper deposits.
C. Nevada mining districts
Nevada mining districts are historically significant regions in Nevada where rich mineral deposits, especially silver and gold, spurred major mining booms and economic development in the 19th and early 20th centuries.
D. Tioga Mine
Tioga Mine was a historic silver mining operation in the Sierra Nevada of California that gave its name to nearby Tioga Pass.
E. Mother Lode region
The Mother Lode region is a historic gold-bearing area in the Sierra Nevada foothills of California, famed as the heart of the 19th-century gold-mining boom.
F. None of above. chosen

Statements (47)

Predicate	Object
instanceOf	historic region ⓘ mining district ⓘ
associatedWith	Joplin mining field ⓘ Picher mining district ⓘ
country	United States ⓘ linked to: United States of America
declinePeriod	post-World War II era ⓘ
designatedAs	Superfund site ⓘ
economicImportance	major U.S. source of lead in early 20th century ⓘ major U.S. source of zinc in early 20th century ⓘ
environmentalIssue	acid mine drainage ⓘ chat piles ⓘ lead contamination ⓘ zinc contamination ⓘ
formerPrimaryIndustry	hard-rock metal mining ⓘ
geologicalSetting	Mississippian-age strata ⓘ carbonate host rocks ⓘ
hasCity	Baxter Springs, Kansas ⓘ Commerce, Oklahoma ⓘ Galena, Kansas ⓘ Joplin, Missouri ⓘ Miami, Oklahoma ⓘ Picher, Oklahoma ⓘ
historicalRole	supported U.S. war industries during World War I ⓘ supported U.S. war industries during World War II ⓘ
knownFor	environmental contamination from mine waste ⓘ large-scale underground mining ⓘ
locatedIn	Kansas ⓘ Missouri ⓘ Oklahoma ⓘ central United States ⓘ linked to: Central United States
mainMiningProduct	lead ⓘ zinc ⓘ
miningMethod	open-pit mining ⓘ underground room-and-pillar mining ⓘ
oreType	Mississippi Valley-Type lead-zinc deposits ⓘ
partOf	Ozark Plateau ⓘ
peakProductionPeriod	World War I ⓘ World War II ⓘ
postMiningLandUse	environmental remediation ⓘ limited tourism related to mining history ⓘ
reasonForDecline	competition from other mining districts ⓘ depletion of high-grade ore ⓘ increased environmental and safety regulations ⓘ
regulatoryAgency	United States Environmental Protection Agency ⓘ
significantPeriod	early 20th century ⓘ late 19th century ⓘ
startOfLargeScaleMining	circa 1870s ⓘ

How these facts were elicited