News Articles and Ephemera
| Title: | Flat Rock Dam, Penn Valley, Built In 1815; Old Flat Rock Dam |
|---|---|
| Author: | |
| Source: | Main Line Times |
| Date: | |
| Folder/Item #: | Flat Rock Dam-Tunnel; 1 |
| Notes: | |
| Abstract: | Photographs |
The Lower Merion Historical Society
| Title: | Flat Rock Dam, Penn Valley, Built In 1815; Old Flat Rock Dam |
|---|---|
| Author: | |
| Source: | Main Line Times |
| Date: | |
| Folder/Item #: | Flat Rock Dam-Tunnel; 1 |
| Notes: | |
| Abstract: | Photographs |