North Alabama coal field
E901409
The North Alabama coal field is a major coal-producing geological region in northern Alabama known for its extensive bituminous coal deposits and long history of mining activity.
All labels observed (1)
| Label | Occurrences |
|---|---|
| North Alabama coal field canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11052043 — 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: North Alabama coal field Context triple: [Oakman, Alabama, region, North Alabama coal field]
-
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.
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.
-
C.
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.
-
D.
Appalachian coalfield
The Appalachian coalfield is a major coal-producing region in the eastern United States, spanning parts of several states and historically central to the nation’s coal mining industry and associated communities.
-
E.
Raton Basin coal fields
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.
- 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: North Alabama coal field Target entity description: The North Alabama coal field is a major coal-producing geological region in northern Alabama known for its extensive bituminous coal deposits and long history of mining activity.
-
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.
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.
-
C.
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.
-
D.
Appalachian coalfield
The Appalachian coalfield is a major coal-producing region in the eastern United States, spanning parts of several states and historically central to the nation’s coal mining industry and associated communities.
-
E.
Raton Basin coal fields
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.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
coal field
ⓘ
geological region ⓘ |
| associatedWith |
industrial development in northern Alabama
ⓘ
labor history in Alabama coal mining ⓘ |
| coalRank | bituminous ⓘ |
| contains | coal seams ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| economicActivity | coal mining ⓘ |
| geologicalAge | Pennsylvanian ⓘ |
| hasEnvironmentalImpact |
air emissions from coal production
ⓘ
land disturbance from mining ⓘ water quality concerns related to mining ⓘ |
| hasIndustry |
coal preparation plants
ⓘ
coal transportation infrastructure ⓘ |
| hasMiningMethod |
surface mining
ⓘ
underground mining ⓘ |
| hasNaturalResource |
bituminous coal
ⓘ
coal ⓘ |
| historicalUse |
fuel for electricity generation in Alabama
ⓘ
fuel for industry in Alabama ⓘ |
| influences | regional economy of northern Alabama ⓘ |
| isMajorCoalProducingRegion | true ⓘ |
| knownFor |
extensive bituminous coal deposits
ⓘ
long history of coal mining ⓘ |
| locatedIn | Alabama ⓘ |
| locatedInRegion | northern Alabama ⓘ |
| locatedOnContinent | North America ⓘ |
| partOf | Appalachian coal region NERFINISHED ⓘ |
| resourceType | fossil fuel ⓘ |
| rockType | sedimentary rock ⓘ |
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: North Alabama coal field Description of subject: The North Alabama coal field is a major coal-producing geological region in northern Alabama known for its extensive bituminous coal deposits and long history of mining activity.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.