URI(s)
- http://id.loc.gov/authorities/subjects/sh98003924
- http://id.loc.gov/authorities/sh98003924#concept
Broader Terms
Closely Matching Concepts from Other Schemes
Sources
- found: Work cat.: 98-153066: Simpson and Viola groups in the southern Midcontinent ... 1997.
- found: GeoNames(Simpson, GP; CO, KS, OK, TX; Middle Ordovician)
- found: Geog. thes. suppl.(Simpson GP; Ordovician)
- found: GeoRef(Simpson Group; central & southern OK; Ordovician)
Instance Of
Scheme Membership(s)
Collection Membership(s)
Change Notes
- 1998-06-29: new
- 2006-08-08: revised
Alternate Formats
