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Isotelus maximus, Asaphidae, Waynesville Formation, Adams County, Ohio, USA - Houston Museum of Natural Science - DSC01570.JPG - Daderot
Waynesville Formation St. Leon IN.jpg - Wilson44691
Small landslide (Roaring Run, Warren County, Ohio, USA) 6 (45456449122).jpg - Lu Brito
Small landslide (Roaring Run, Warren County, Ohio, USA) 5 (30566457237).jpg - Lu Brito
Small landslide (Roaring Run, Warren County, Ohio, USA) 4 (45507291911).jpg - Lu Brito
Small landslide (Roaring Run, Warren County, Ohio, USA) 2 (45507337781).jpg - Lu Brito
Small landslide (Roaring Run, Warren County, Ohio, USA) 1 (44593305375).jpg - Lu Brito
Small landslide (Roaring Run, Warren County, Ohio, USA) 3 (45456496932).jpg - Lu Brito
Gutter cast (Waynesville Formation or Liberty Formation, Upper Ordovician; Caesar Creek Lake's emergency spillway, Warren County, Ohio, USA) 2 (44772970854).jpg - Lu Brito
Waynesville Formation over Arnheim Formation (Upper Ordovician; Roaring Run, Warren County, Ohio, USA) 1 (31611911268).jpg - Lu Brito
Waynesville Formation (Upper Ordovician; Roaring Run, Warren County, Ohio, USA) 41 (30543055587).jpg - Lu Brito
Waynesville Formation (Upper Ordovician; Roaring Run, Warren County, Ohio, USA) 40 (31609641168).jpg - Lu Brito
Waynesville Formation (Upper Ordovician; Roaring Run, Warren County, Ohio, USA) 39 (45483154191).jpg - Lu Brito
Brachiopods in limestone (Waynesville Formation, Upper Ordovician; Roaring Run, Warren County, Ohio, USA) 3.jpg - Ser Amantio di Nicolao
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