URI(s)
Identifies LC/NAF RWO
Identifies RWO
Exact Matching Concepts from Other Schemes
Sources
- found: His Geologic map of the Monongahela quadrangle, southwestern Pennsylvania, 1968.
- found: The atlas of major Appalachian gas plays, 1996:t.p. (John B. Roen, U.S. Geol. Survey; retired)
Instance Of
Scheme Membership(s)
Collection Membership(s)
Change Notes
- 1982-11-20: new
- 1997-06-17: revised
Alternate Formats