Program: HathiTrust Digital Library
- Publisher: Petroleum Publishers, inc
- Print ISSN: 0008-1329
- Electronic ISSN:
- OCLC Number: 2240068
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
v.64 1971; v.65-66 1972-1973; v.67-68 1974-1975; v.69 1976; v.78 no.1-11 yr.1986
|
committed to retain | 2011-06-24 | HTDL |
|