Program: HathiTrust Digital Library
- Publisher: U.S. Geological Survey, etc. [for sale by the Supt. of Docs., U.S. Govt. Print. Off.]
- Print ISSN: 0091-374X
- Electronic ISSN:
- OCLC Number: 1589343
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
v.1; v.1 1973; v.2; v.2 1974; v.2 no.4; v.2 no.6; v.3; v.3 1975; v.3 no.1; v.3 no.2; v.3 no.3; v.3 no.5; v.3 no.6; v.4; v.4 1976; v.4 no.1; v.4 no.2; v.4 no.3; v.4 no.4; v.4 no.5; v.5; v.5 1977; v.6; v.6 no.1-2 1978
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committed to retain | 2019-09-01 | HTDL |
|