URI(s)
- http://id.loc.gov/authorities/subjects/sh85136104
- http://id.loc.gov/authorities/sh85136104#concept
Variants
- Bitumenite
- Boghead coal
Broader Terms
Closely Matching Concepts from Other Schemes
Instance Of
Scheme Membership(s)
Collection Membership(s)
Change Notes
- 1986-02-11: new
- 1987-11-09: revised
Alternate Formats
