Raton Basin coal fields
E819293
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| 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
NERFINISHED
ⓘ
railroad expansion in the American West ⓘ |
| boundedBy |
Apishapa uplift
NERFINISHED
ⓘ
Las Animas arch NERFINISHED ⓘ Sangre de Cristo Mountains NERFINISHED ⓘ |
| commodity |
metallurgical coal
ⓘ
steam coal ⓘ |
| contains |
bituminous coal
ⓘ
subbituminous coal ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| 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
NERFINISHED
ⓘ
northern New Mexico ⓘ southern Colorado ⓘ |
| majorMiningCenters |
Raton, New Mexico
NERFINISHED
ⓘ
Trinidad, Colorado NERFINISHED ⓘ Walsenburg, Colorado NERFINISHED ⓘ |
| miningMethods |
surface mining
ⓘ
underground mining ⓘ |
| overlies | Pierre Shale ⓘ |
| partOf | Rocky Mountains region NERFINISHED ⓘ |
| peakProductionPeriod | early 1900s ⓘ |
| resourceType | coal ⓘ |
| stratigraphicUnits |
Raton Formation
NERFINISHED
ⓘ
Trinidad Sandstone NERFINISHED ⓘ Vermejo Formation NERFINISHED ⓘ |
| surveyedBy | United States Geological Survey NERFINISHED ⓘ |
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: Raton Basin coal fields Description of subject: 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.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.