There are no graves inside this effigy mound (a term used for those ... the earth about 300 million years ago. As for the ...

Effigy Mounds preserves 206 mounds, 31 of which are specifically called effigies – mounds in the shape of bears or birds. The largest earthen mound located here is called Great Bear Mound.

Gibbs' Facebook post announcing his sudden departure quickly went viral, garnering more than 73,000 reactions, 11,000 comments and 180,000 shares — something the former Effigy Mounds education ... the ...