Program: HathiTrust Digital Library
- Publisher: Dept. of Natural Resources, Geologic and Water Resources Division
- Print ISSN: 0271-8839
- Electronic ISSN:
- OCLC Number: 4902013
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1-6 (1977-82); 7 (1983); 9 (1988)
|
committed to retain | 2015-11-16 | HTDL |
|