The Geographic Center
In a park three miles north and one mile west is the exact geographic center of the 48 contiguous states. The location has been officially established by the U.S. Geological Survey. It is the point where a plane map of the 48 states would balance if it were of uniform thickness. Trancontinental highway mileages are:
Marker is on U.S. 36, on the right when traveling west.
Courtesy hmdb.org