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Introduction
Bearpaw Shale Formation
App for Finding Rock Formations
What Formation Looks Like
What is a Baculite?
What a Calcareous Concretion Looks Like
What Baculite Sutures Look Like
What Ammolite Looks Like
Intact Large Clam
More Montana Ammolite
Baculite in Rough
Ammonite Hidden in Shale
Triple Baculite
Calcite Filled Baculite
Ammolite