Map of the Second Berea sand in Gallia, Meigs, Athens, Morgan, and Muskingum Counties, Ohio
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Oil and Gas Investigation Map↗
Geology topics
Violet Massarelli
Publications and source records attributed to Violet Massarelli.
Map of the First Berea sand in southeastern Ohio and western West Virginia
Explore the source record for details and available documents.
Oil and Gas Investigation Map↗