Hill Annex Mine Fossil Gallery

Fossils From the Cretaceous Era Coleraine Formation in Calumet, MN

Fossils found on July 01, 2016

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Ammonite
fragment

Gastropod

Shark tooth
fragment

Gastropod and Mullusk
fragments

Toredo worm wood borrings
and fossil wood
and Gastropod
(Found by John)

Gastropod