| … |
Winans Waterwheel |
| … |
Frederick Swinging Bridge |
| … |
Frederick Swinging Bridge |
| … |
Canal Locks at Havre de Grace |
| … |
Canal Locks at Havre de Grace |
| … |
Canal Locks at Havre de Grace |
| … |
Canal Locks at Havre de Grace |
| … |
Winans Waterwheel |
| … |
Bloede's Dam Hydrostation |
| … |
Poole and Hunt Turbine |