Program: HathiTrust Digital Library
- Publisher: IUGS-UNESCO International Geological Correlation Programme
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 4919403
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1932-1935; 1953 v.1; 1953 v.2
|
committed to retain | 2009-06-30 | HTDL |
|