Keokuk, Iowa, United States

Lock No. 19, Keokuk, IA, USA

Natural • Recreation

Visitor Center, Keokuk, IA, USA

Landwall Control Station, Keokuk, IA, USA

Maintenance Building, Keokuk, IA, USA

Lock and Dam 19, Keokuk, IA, USA

Lock & Dam No. 19 Historic District, Keokuk, IA, USA

River Wall Control Station, Keokuk, IA, USA

City Utility Building, Keokuk, IA, USA

Dry Dock, Hamilton, IL, USA

Office & Shop, Keokuk, IA, USA

Pneumatic Hoist Tower, Hamilton, IL, USA

Mississippi River, Keokuk, IA, USA

Lock Number 19, Hamilton, IL, USA

Lock Operating Shelter, Hamilton, IL, USA

Lock & Dam No. 19, Keokuk, IA, USA

Des Moines Rapids Canal Bullnose, Hamilton, IL, USA

Old Lock, Hamilton, IL, USA

Sheet Pile Cell Closure Wall, Hamilton, IL, USA

Old Lock Operator's House, Hamilton, IL, USA