Historical Marker
Black Dog Trail
Historical marker location:
Baxter Springs, Kansas
( Marker is at the intersection of East Avenue and 7th Street, on the left when traveling south on East Avenue.)
Marker installed: 1961
Commemorating.
The geographic center of the contiguous United States is located in a field near Belle Fourche, South Dakota, but a marker for it is located in a small town called Belle Plaine, Kansas.