"Construction of river channel closing structure in the Mississippi NRRA" by U.S. National Park Service , public domain

Mississippi

Visitor Map

Official visitor map of Mississippi National River & Recreation Area (NR & NRA) in Minnesota. Published by the National Park Service (NPS).

Official visitor map of Mississippi National River & Recreation Area (NR & NRA) in Minnesota. Published by the National Park Service (NPS).

also available

National Parks
USFS NW