Program: HathiTrust Digital Library
- Publisher: U.S. Dept. of the Interior, Geological Survey ; National Technical Information Service, distributor
- Print ISSN: 0740-8803
- Electronic ISSN:
- OCLC Number: 1707018
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1964/65 PT.1-2; 1965/66 PT.1-2; 1966/67 PT.1-2; 1965-68; 1967/68 PT.1-2; 1969-71; 1970/71 PT.1-2; 1971/72 PT.1-2; 1972-1972/1973; 1973-74; 1973/74 PT.1-2; 1974/75 PT.1; 1975-1979; 1980:1; 1980
|
committed to retain | 2018-09-17 | HTDL |
|