Raton Basin coal fields

E819293

coal field geologic region

The Raton Basin coal fields are a significant coal-bearing geological region spanning southern Colorado and northern New Mexico, historically important for coal mining and associated industrial development.

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All labels observed (3)

Label	Occurrences
Colorado coal mining region	1
New Mexico coal fields	1
Raton Basin coal fields canonical	1

How this entity was disambiguated

This entity first appeared as the object of triple T9766389 — 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: Raton Basin coal fields
Context triple: [Purgatoire River, near, Raton Basin coal fields]

A. Cherokee–Crawford coal field
The Cherokee–Crawford coal field is a historically significant coal-mining region in southeastern Kansas known for its extensive bituminous coal deposits and role in the area's industrial development.
B. Willcox Basin
Willcox Basin is a geological depression in southeastern Arizona known for containing the dry lakebed of Willcox Playa and supporting regional groundwater and agricultural activities.
C. Lincoln County coal fields
The Lincoln County coal fields are a significant coal-mining region in southwestern Wyoming known for supplying fuel to local power generation and industrial operations.
D. Hager Basin
Hager Basin is a small, arid interior basin located within Oregon’s broader Fort Rock–Christmas Lake Valley region, characterized by its high-desert landscape and volcanic-geologic setting.
E. Pocahontas coalfield
The Pocahontas coalfield is a historically significant coal-mining region in the Appalachian Mountains, known for its high-quality bituminous coal and its central role in the industrial development of southern West Virginia and southwestern Virginia.
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: Raton Basin coal fields
Target entity description: The Raton Basin coal fields are a significant coal-bearing geological region spanning southern Colorado and northern New Mexico, historically important for coal mining and associated industrial development.

A. Cherokee–Crawford coal field
The Cherokee–Crawford coal field is a historically significant coal-mining region in southeastern Kansas known for its extensive bituminous coal deposits and role in the area's industrial development.
B. Willcox Basin
Willcox Basin is a geological depression in southeastern Arizona known for containing the dry lakebed of Willcox Playa and supporting regional groundwater and agricultural activities.
C. Lincoln County coal fields
The Lincoln County coal fields are a significant coal-mining region in southwestern Wyoming known for supplying fuel to local power generation and industrial operations.
D. Hager Basin
Hager Basin is a small, arid interior basin located within Oregon’s broader Fort Rock–Christmas Lake Valley region, characterized by its high-desert landscape and volcanic-geologic setting.
E. Pocahontas coalfield
The Pocahontas coalfield is a historically significant coal-mining region in the Appalachian Mountains, known for its high-quality bituminous coal and its central role in the industrial development of southern West Virginia and southwestern Virginia.
F. None of above. chosen

Statements (46)

Predicate	Object
instanceOf	coal field ⓘ geologic region ⓘ
associatedWith	Colorado Fuel and Iron Company ⓘ railroad expansion in the American West ⓘ
boundedBy	Apishapa uplift ⓘ Las Animas arch ⓘ Sangre de Cristo Mountains ⓘ
commodity	metallurgical coal ⓘ steam coal ⓘ
contains	bituminous coal ⓘ subbituminous coal ⓘ
country	United States ⓘ linked to: United States of America
declinePeriod	mid 20th century ⓘ
developedDuring	early 20th century ⓘ late 19th century ⓘ
economicImportance	employment in mining communities ⓘ regional industrial development ⓘ
environmentalIssues	acid mine drainage ⓘ land disturbance ⓘ mine subsidence ⓘ
geologicAge	Cretaceous ⓘ Paleogene ⓘ
historicalUse	coal mining ⓘ coking coal production ⓘ railroad fuel supply ⓘ steel industry fuel supply ⓘ
hostTo	coal mining towns ⓘ
influenced	transportation infrastructure in southern Colorado ⓘ urban growth in Trinidad area ⓘ
laterResourceDevelopment	coalbed methane ⓘ
locatedIn	Raton Basin ⓘ northern New Mexico ⓘ southern Colorado ⓘ
majorMiningCenters	Raton, New Mexico ⓘ Trinidad, Colorado ⓘ Walsenburg, Colorado ⓘ
miningMethods	surface mining ⓘ underground mining ⓘ
overlies	Pierre Shale ⓘ
partOf	Rocky Mountains region ⓘ linked to: Rocky Mountain region
peakProductionPeriod	early 1900s ⓘ
resourceType	coal ⓘ
stratigraphicUnits	Raton Formation ⓘ Trinidad Sandstone ⓘ Vermejo Formation ⓘ
surveyedBy	United States Geological Survey ⓘ

How these facts were elicited

Referenced by (3)

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

Purgatoire River → near → Raton Basin coal fields ⓘ

Coal Creek, Colorado → partOf → Colorado coal mining region ⓘ

linked to: Raton Basin coal fields

Madrid, New Mexico Territory, United States → partOf → New Mexico coal fields ⓘ