Program: HathiTrust Digital Library
- Publisher: Dept. of Natural and Economic Resources, Division of Earth Resources, Geology and Mineral Resources Section
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 64226328
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
85 (1976)
|
committed to retain | 2016-03-05 | HTDL |
|