Geological surveys--United States
URI(s)
- http://id.loc.gov/authorities/subjects/sh85054081
- http://id.loc.gov/authorities/sh85054081#concept
Components
- United States
Variants
- Geology--United States--Surveys
Earlier Established Forms
- Geology--United States--Surveys
Instance Of
Scheme Membership(s)
Collection Membership(s)
Change Notes
- 1986-02-11: new
- 1993-06-23: revised
Alternate Formats