Program: HathiTrust Digital Library
- Publisher: Division of Geological & Geophysical Surveys
- Print ISSN: 0360-3881
- Electronic ISSN:
- OCLC Number: 6132462
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
no.15-17 1979-1982; no.41-43 1988-1993
|
committed to retain | 2018-10-21 | HTDL |
|