Melrose, Illinois, United States

Lock No. 21, Melrose, IL, USA

Natural • Recreation

Visitor Center, Melrose, IL, USA

Government

Intermediate Wall, Melrose, IL, USA

Mississippi River, Melrose, IL, USA

Esplanade, Melrose, IL, USA

Scooter Shed, Melrose, IL, USA

Central Control Station, Melrose, IL, USA

Auxiliary Lock, Melrose, IL, USA

Ranger's Storage, Melrose, IL, USA

Smoking Shelter, Melrose, IL, USA

Lock & Dam 21 Recreation Area, Melrose, IL, USA

Workshop, Melrose, IL, USA

Lock and Dam 21, Melrose, IL, USA

Control Stand Shelter, Melrose, IL, USA

Haulage Unter Shelter, Melrose, IL, USA

Lock & Dam No. 21, Melrose, IL, USA

Guard Wall, Melrose, IL, USA

Downstream Guide Wall, Melrose, IL, USA

Dam No. 21, Melrose, IL, USA

Upstream Guide Wall, Melrose, IL, USA