Melrose, Illinois, United States

Visitor Center, Melrose, IL, USA

Government

Lock No. 21, Melrose, IL, USA

Natural • Recreation

Downstream Guide Wall, Melrose, IL, USA

Haulage Unter Shelter, Melrose, IL, USA

Lock and Dam 21, Melrose, IL, USA

Control Stand Shelter, Melrose, IL, USA

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

Lock & Dam 21 Lower Boat Ramp, Melrose, IL, USA

Esplanade, Melrose, IL, USA

Mississippi River, Melrose, IL, USA

Intermediate Wall, Melrose, IL, USA

Lock Canal 21, Melrose, IL, USA

Scooter Shed, Melrose, IL, USA

Ranger's Storage, Melrose, IL, USA

Central Control Station, Melrose, IL, USA

Workshop, Melrose, IL, USA

Smoking Shelter, Melrose, IL, USA

Auxiliary Lock, Melrose, IL, USA

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

Dam No. 21, Melrose, IL, USA