Keokuk, Iowa, United States

Lock No. 19, Keokuk, IA, USA

Natural • Recreation

Maintenance Building, Keokuk, IA, USA

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

Dry Dock, Hamilton, IL, USA

Visitor Center, Keokuk, IA, USA

River Wall Control Station, Keokuk, IA, USA

Lock Operating Shelter, Hamilton, IL, USA

Lock Number 19, Hamilton, IL, USA

Lock and Dam 19, Keokuk, IA, USA

Landwall Control Station, Keokuk, IA, USA

Pneumatic Hoist Tower, Hamilton, IL, USA

Old Lock, Hamilton, IL, USA

Des Moines Rapids Canal Bullnose, Hamilton, IL, USA

Mississippi River, Keokuk, IA, USA

City Utility Building, Keokuk, IA, USA

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

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

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

Sheet Pile Cell Closure Wall, Hamilton, IL, USA