Program: HathiTrust Digital Library
- Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 1950596
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
bull.C2 (1932); bull.C1 (1932); no.1 1932; no.26 maps; no.30 1932; bull.C67 (1939); bull.C48 (1939); no.48 1939; no.52; no.67 1939; bull.C26 (1940); no.26 1940; bull.C39 (1941); no.39 1941; bull.C9 (1959); no.9 pt.1 1959
|
committed to retain | 2018-08-30 | HTDL |
|