Program: HathiTrust Digital Library
- Publisher: For sale by Geological Survey
- Print ISSN: 0537-2933
- Electronic ISSN:
- OCLC Number: 1265699
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
45-48 (1988-91); 59 1998
|
committed to retain | 2018-01-25 | HTDL |
|