Program: HathiTrust Digital Library
- Publisher: U.S. Dept. of the Interior, Geological Survey; [For sale by the Supt. of Docs., U.S. Govt. Print. Off.]
- Print ISSN: 0147-8478
- Electronic ISSN:
- OCLC Number: 2386064
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1974/1975; 1975*; 1975-1976; 1975-76; 1976*
|
committed to retain | 2019-04-15 | HTDL |
|