Hill Annex Mine Fossil Gallery

Fossils From the Tioga Mine dump in Cohasset, MN

Cretaceous Era Coleraine Formation

Fossils found on August 07, 2016

See also:
TIOGA NO. 2 MINE
Cohasset reclaims pit for recreation
LISA ROSEMORE Herald-Review Jun 25, 2014
Newspaper article on the Tioga mine reprinting 1955 article on the mine opening.

Click the image for the full resolution photograph.

bi-valve fossil

Inoceramus

shells and fragments

10 foot long
Ant hill