Program: HathiTrust Digital Library
- Publisher: Geological Survey of Pennsylvania
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 6865085
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
v.2; v.2 1838; v.3 1839; v.1-4 (1836-1840); v.1-6 1836-1841; v.4,6 1840-1842; v.3-5 (1939-41)
|
committed to retain | 2021-02-26 | HTDL |
|