Program: HathiTrust Digital Library
- Publisher: Dept. of the Environment
- Print ISSN: 0309-1538
- Electronic ISSN: 0309-1538
- OCLC Number: 2416744
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
v.1-4 (1972); no.1-7 (Mar 1972-Sept 1973); no.8 (Dec 1973); no.10 (June 1974); no.14-20 (June 1975-Dec 1976); index no.1-21 (1972-77)
|
committed to retain | 2023-02-14 | HTDL |
|