Coal mines and mining
This is a sourced subject-directory page. Its presence does not mean a factual answer has been researched, or that the subject is a proven knowledge gap.
Names and connections
Coal mining; Collieries
- Broader: Energy industries
- Broader: Mines and mineral resources
- Narrower: Abandoned coal mines
- Narrower: Anthracite coal mines and mining
- Narrower: Barrier pillars
- Narrower: Bituminous coal mines and mining
- Narrower: Coal gasification, Underground
- Narrower: Gate roads (Mining)
- Narrower: Kettlebottoms (Mining)
- Narrower: Lignite mines and mining
- Narrower: Longwall mining
- Narrower: Photography of coal mines
- Narrower: Pit pony
- Narrower: Thick seam mining
Up to 40 narrower headings are shown. Full Library of Congress authority record
Local answer status
No owner-reviewed answer has been published for this exact subject page. This is a gap in this collection; it does not establish that the answer is unavailable elsewhere.
Numeric address and provenance
Morton address: 9513858629124637184 · morton4x16-v1
Coordinates: (0, 20, 17832, 36864). The address interleaves categorical identifier bits. Nearby addresses are not guaranteed to describe semantically similar subjects.
Structured subject record · Markdown · Source snapshots and licenses
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