Program: HathiTrust Digital Library
- Publisher: Pennsylvania State University, College of Earth and Mineral Sciences
- Print ISSN: 0026-4539
- Electronic ISSN:
- OCLC Number: 1567192
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
v.44 Oct. 1974-June 1975; v.45 Oct. 1975-June 1976; v.46 Oct. 1976-June 1977; v.47 Oct. 1977-June 1978; v.48 Oct. 1978-June 1979; v.49 no.1 Sept./Oct. 1979; v.57-63 1987-1994; v.64 no.1 1995; v.65-67 1996-1998/1999
|
committed to retain | 2021-12-17 | HTDL |
|