Melrose, Illinois, United States

Visitor Center, Melrose, IL, USA

Government

Lock No. 21, Melrose, IL, USA

Natural • Recreation

Ranger's Storage, Melrose, IL, USA

Workshop, Melrose, IL, USA

Scooter Shed, Melrose, IL, USA

Esplanade, Melrose, IL, USA

Central Control Station, Melrose, IL, USA

Smoking Shelter, Melrose, IL, USA

Mississippi River, Melrose, IL, USA

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

Intermediate Wall, Melrose, IL, USA

Control Stand Shelter, Melrose, IL, USA

Lock and Dam 21, Melrose, IL, USA

Haulage Unter Shelter, Melrose, IL, USA

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

Auxiliary Lock, Melrose, IL, USA

Guard Wall, Melrose, IL, USA

Upstream Guide Wall, Melrose, IL, USA

Downstream Guide Wall, Melrose, IL, USA

Lockman's Shelter, Melrose, IL, USA