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Google Analytics Dashboard for Petrographic data from the Lower Cretaceous Blackleaf Formation and lower Upper Cretaceous Frontier Formation (lower part) in Beaverhead and Madison counties, Montana

Petrographic data from the Lower Cretaceous Blackleaf Formation and lower Upper Cretaceous Frontier Formation (lower part) in Beaverhead and Madison counties, Montana

URI: https://pubs.usgs.gov/publication/ofr85592

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