Program: HathiTrust Digital Library
- Publisher: Geological and Natural History Survey
- Print ISSN: 0733-8813
- Electronic ISSN:
- OCLC Number: 6697397
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1989
|
committed to retain | 2012-08-02 | HTDL |
|