| … |
Georgetown Reservoir and Washington Aqueduct |
| … |
Pawtucket Canal Guard Locks |
| … |
Pawtucket Canal Guard Locks |
| … |
Pawtucket Canal Guard Locks |
| … |
Pawtucket Canal Guard Locks |
| … |
Pawtucket Canal Guard Locks |
| … |
Pawtucket Canal Guard Locks |
| … |
Hydraulic Race Company |
| … |
Upper Falls of Genesee River |
| … |
Upper Falls of Genesee River |