U.S. Geological Survey activities.
- Publisher: U.S. Geological Survey
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 8216333
- Subject: Geology Research United States Periodicals.
- Subject code: QE
- Publication history: Fiscal year 1981.
Print Holdings
| Archiving Institution | Program | Holdings Description | Retention |
|---|---|---|---|
| HathiTrust (HATHI) | HTDL | 1981* | permanent |