Program: HathiTrust Digital Library
- Publisher: U.S. Dept. of the Interior, Geological Survey ; National Technical Information Service, distributor
- Print ISSN: 0364-4073
- Electronic ISSN:
- OCLC Number: 9499409
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
Materials | Archive Action | Date of Action | Program | Status/Note |
---|---|---|---|---|
1975-1979; 1981-1987
|
committed to retain | 2013-02-04 | HTDL |
|