Hamilton, Illinois, United States

Lock No. 19, Keokuk, IA, USA

Natural • Recreation

Lock Number 19, Hamilton, IL, USA

Pneumatic Hoist Tower, Hamilton, IL, USA

Ladies Restroom and Lockman's Shop, Hamilton, IL, USA

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

Dry Dock, Hamilton, IL, USA

Sheet Pile Cell Closure Wall, Hamilton, IL, USA

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

Lock Operating Shelter, Hamilton, IL, USA

River Wall Control Station, Keokuk, IA, USA

Old Lock, Hamilton, IL, USA

Maintenance Building, Keokuk, IA, USA

Lock and Dam 19, Keokuk, IA, USA

Landwall Control Station, Keokuk, IA, USA

Visitor Center, Keokuk, IA, USA

Des Moines Rapids Canal Bullnose, Hamilton, IL, USA

City Utility Building, Keokuk, IA, USA

Office & Shop, Keokuk, IA, USA

Mississippi River, Keokuk, IA, USA