"Millions of bison once roamed the Great Plains" by NPS , public domain

Tallgrass Prairie

Visitor Map

Official visitor map of Tallgrass Prairie National Preserve (NPRES) in Kansas. Published by the National Park Service (NPS).

Official visitor map of Tallgrass Prairie National Preserve (NPRES) in Kansas. Published by the National Park Service (NPS).

also available

National Parks
USFS NW