Program: HathiTrust Digital Library
- Publisher: Geosystems Publications
- Print ISSN: 0016-8483
- Electronic ISSN:
- OCLC Number: 39816635
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
v.1-2 1969-70; v.3-4 1971-72
|
committed to retain | 2008-10-07 | HTDL |
|