Program: HathiTrust Digital Library
- Publisher: U.S. Dept. of the Interior, Geological Survey ; For sale by the Supt. of Docs., U.S. G.P.O.
- Print ISSN: 0091-1429
- Electronic ISSN:
- OCLC Number: 1798128
- 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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1928-1935; 1928-35; 1928-40; 1928-1940; 1936-1940; 1936-40; 1941-1945; 1941-45; 1946-1949; 1941-50; 1950-1952; 1946-1953; 1953-1956; 1950-1957; 1957-1959; 1951-1960; c.1 1951-60; 1960-1961; 1951-62; 1958-1962; 1962; 1954-63; 1963-1966; 1964-67; 1967; 1963-68; 1963-1968; 1968; c.1 1961-69; 1969; 1961-1970; 1970; 1968-71; c.1 1970-71; 1971; 1969-72; 1972-1974; 1973-76; 1976; 1972-77; 1977; c.1 1975-78; 1978; 1977-79; 1979; 1976-1980; 1978-80; 1980; 1981 1981; 1981; 1980-82; 1982-1983; 1981-1984; 1984; 1984-1985; 1985-1986
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committed to retain | 2020-10-29 | HTDL |
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