The Geophysical directory.
- Publisher: [Geophysical Directory, Inc.]
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 1269813
- Subject: Prospecting Geophysical methods Directories.
- Subject code: T
- Publication history: Began in 1948.
Print Holdings
| Archiving Institution | Program | Holdings Description | Retention |
|---|---|---|---|
| HathiTrust (HATHI) | HTDL | 1970; 1978 | permanent |