URI(s)
Identifies LC/NAF RWO
Identifies RWO
Exact Matching Concepts from Other Schemes
Sources
- found: Author's Geology of the Red Valley sandstone ... 1967.
- found: Information from 678 converted Dec. 11, 2014(geologist, Pa. Geological Survey)
Instance Of
Scheme Membership(s)
Collection Membership(s)
Change Notes
- 1980-08-15: new
- 2014-12-11: revised
Alternate Formats