Program: HathiTrust Digital Library
- Publisher: U. S. Geological Survey, Geologic Division
- Print ISSN: 0271-1656
- Electronic ISSN:
- OCLC Number: 5976976
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
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v.9 no.7, 11-12; v.10 no.1-6, 8-11 1978-79; v.11 no.1, 3-5, 7; v.12 no.2, 4, 8-11 1980-81; v.13 no.1-8, 11; v.14 no.1-5, 11-12 1982-83; v.15 no.1, 3, 8, 11; v.16 no.8-9 1984-85; v.20 no.2 1989
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committed to retain | 2018-01-14 | HTDL |
|