Biennial report of the topographic and geologic survey of Pennsylvania.
- Publisher: Commission
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 9600164
- Subject: Geology Pennsylvania Periodicals.
- Subject code: QE
- Publication history: 1912/1914.
Print Holdings
| Archiving Institution | Program | Holdings Description | Retention |
|---|---|---|---|
| HathiTrust (HATHI) | HTDL | 1913-1914 | permanent |