Hill Annex Mine Fossil Gallery

Fossils From the Cretaceous Era Coleraine Formation in Calumet, MN

Fossils found on June 25 and June 26, 2016

Click the image for the full resolution photograph.

Fish Vertebra
at various angles

Found at the "Far Pile"

Snail Fragments
at various angles

A fossil burrow

Fossil wood

Fossil wood
and
Snail Fragments
at various angles