Program: HathiTrust Digital Library
- Publisher: Geosystems Publications
- Print ISSN: 0016-8483
- Electronic ISSN:
- OCLC Number: 2046872
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
v.3-4 1971-1972; v.8-12 1976-80; v.13-14 1981-1982; v.13-15 1981-83; v.16-19 1984-87; v.20-22 1988-90; v.23-24 1991-92; v.25-26 1993-1994; v.27 no.1-2 1995
|
committed to retain | 2018-10-27 | HTDL |
|