| … |
Richmond Hydrostation |
| … |
Richmond Hydrostation |
| … |
Great Falls Hydroelectric Station |
| … |
Great Falls Hydroelectric Station |
| … |
Great Falls Hydroelectric Station |
| … |
Folsom Hydrostation |
| … |
The Tilton Mills and Dam |
| … |
AuSable River Dam and Stone Arch Bridge |
| … |
Bartgis Brothers Paper Box Mill |
| … |
Antietam Creek Dam |