Program: HathiTrust Digital Library
- Publisher: U.S. Dept. of the Interior, Geological Survey ; National Technical Information Service, distributor
- Print ISSN: 0360-1633
- Electronic ISSN:
- OCLC Number: 2477008
- 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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1964/65 PT.1; 1964/65 PT.2; (1965:pt.1); 1965/66:1; 1965/66:2; 1965-66 pt.1; 1966; 1966/67:1; 1966/67:2; 1967 no.2; 1967/68:2; 1967-68 pt.1; 1968 no.2; 1968/69:1; 1968/69:2; (1968-1969:pt.1); 1969 no.2; 1969/70 PT.1; 1969/70 PT.2; 1970; (1970-1971:pt.1); 1970/71 PT.1; 1970-71 pt.1; 1970/71 PT.2; 1971:1; 1971 no.2; 1971/72 PT.1; 1971/72 PT.2; (1972-1973:pt.1); 1972/73 PT.1; 1972-73 pt.1; 1972/73 PT.2; 1973; 1973:2; 1973/74 PT.1; 1973/74 PT.2; 1974-1980
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committed to retain | 2019-08-22 | HTDL |
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