Melrose, Illinois, United States

Visitor Center, Melrose, IL, USA

Government

Lock No. 21, Melrose, IL, USA

Natural • Recreation

Esplanade, Melrose, IL, USA

Mississippi River, Melrose, IL, USA

Scooter Shed, Melrose, IL, USA

Intermediate Wall, Melrose, IL, USA

Ranger's Storage, Melrose, IL, USA

Central Control Station, Melrose, IL, USA

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

Workshop, Melrose, IL, USA

Smoking Shelter, Melrose, IL, USA

Control Stand Shelter, Melrose, IL, USA

Lock and Dam 21, Melrose, IL, USA

Auxiliary Lock, 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

Upstream Guide Wall, Melrose, IL, USA

Lockman's Shelter, Melrose, IL, USA