Program: HathiTrust Digital Library
- Publisher: Petroleum Publishers, Inc.
- Print ISSN: 0161-9950
- Electronic ISSN:
- OCLC Number: 2445644
- 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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v.34 1941; v.35 1942; v.36 1943; v.38 1945; v.39 1946; v.40 1947; v.41 1948; v.42 1949; v.43 1950; v.44 1951; v.45 1952; v.46 1953; v.47 1954; v.48 1955; v.49 1956; v.50 1957; v.51 1958; v.52 1959; v.53 1960; v.54 1961; v.55 1962; v.56 1963; v.57 1964; v.58 1965; v.59 1966; v.60 1967; v.61 1968; v.62 1969; v.63 1970
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committed to retain | 2011-06-25 | HTDL |
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