Butler County, US
The Carlston Annis Shell Mound (designated 15 BT 5) is a prominent archaeological site in the western part of the U.S. state of Kentucky. Located along the Green River in Butler County, this shell midden has been declared a historic site because of its archaeological value.
Listen to the audio guide for Carlston Annis Shell Mound Free on WIP — starts by itself when you arrive, even with the screen off