Petroglyphs <rock carvings> in the Susquehanna River near Safe Harbor, Pennsylvania .
| Main Author: | Cadzow, Donald A. |
|---|---|
| Format: | Books Print Book |
| Language: | English |
| Published: |
Harrisburg,
1934.
|
| Series: |
Publications of Pennsylvania Historical Commission.
vol. III Safe Harbor report, no. 1 |
| Subjects: |