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Filters: Tags: Professional Papers (X) > Date Range: {"choice":"year"} (X) > partyWithName: U.S. Geological Survey (X)

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The small triangular mass in left center of the picture, to the left of the geologic hammer, is filled with Devonian fossils.


    map background search result map search result map Quarry one mile west of Elmhurst where Devonian fossils were found. 1901. Quarry one mile west of Elmhurst where Devonian fossils were found. 1901.