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Ironstone nodule conglomerate (Massillon Sandstone, Lower Pennsylvanian; Rt. 16 roadcut northeast of Frazeysburg, Ohio, USA) 1 (34329561091).jpg - Ser Amantio di Nicolao
Ironstone nodule conglomerate (Massillon Sandstone, Lower Pennsylvanian; Rt. 16 roadcut northeast of Frazeysburg, Ohio, USA) 2 (33617716724).jpg - Ser Amantio di Nicolao
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