Circular =
- Publisher: [publisher not identified]
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 7629722
- Subject: Geology Congresses.
- Subject code: L
- Publication history:
Print Holdings
| Archiving Institution | Program | Holdings Description | Retention |
|---|---|---|---|
| HathiTrust (HATHI) | HTDL | no.1 1913; no.2 1913 | permanent |