Program: HathiTrust Digital Library
- Publisher: For sale by Geological Survey
- Print ISSN: 0537-2933
- Electronic ISSN:
- OCLC Number: 243884980
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
no.1-7 1963-1972; no.9-14 1975-1979; no.15-21 1978-1981; no.22-31 1981-1983; no.32-38 1983-1986; no.39-42 1987-1989 + Plates; no.43-48 1988-1991 + Plates; no.50-56 1992-1995 + Plates; no.57-60 1994-1998 + Plates
|
committed to retain | 2017-06-15 | HTDL |
|