Program: HathiTrust Digital Library
- Publisher: Commonwealth of Pennsylvania, Dept. of Environmental Resources
- Print ISSN: 0553-5220
- Electronic ISSN:
- OCLC Number: 3798648
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1966 no.1; no.3 1968; no.4 1968; no.6 1970; 1970 no.6 pt.1; no.8 1973; no.9 1974; no.10 1974; no.11 1975; no.12 1977; no.15 1982; v.10(1974); v.11(1975); v.12(1977); v.14(1977); v.15(1982); v.7(1972); v.8(1973); v.9(1974); v.16(1983)
|
committed to retain | 2017-10-19 | HTDL |
|