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Logan Formation over Cuyahoga Formation (Lower Mississippian; Dugway Outcrop, Newark, Ohio, USA) (32767557975).jpg - Ser Amantio di Nicolao
Sandstone-dominated Logan Formation over shale-dominated Cuyahoga Formation (Lower Mississippian; Rt. 35 roadcut, northeast of Rittenours, Ohio, USA) 16 (27041376728).jpg - Ser Amantio di Nicolao
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