James St. John:
Fossiliferous limestone slabs (derived from the upper Richmondian Stage, Upper Ordovician; Flat Fork, Caesar Creek Lake State Park, southwestern Ohio, USA)
James St. John:
Horseshoe Falls (19 November 2017) (Flat Fork, Warren County, Ohio, USA) 1
James St. John:
Horseshoe Falls (19 November 2017) (Flat Fork, Warren County, Ohio, USA) 2
James St. John:
Horseshoe Falls (19 November 2017) (Flat Fork, Warren County, Ohio, USA) 3
James St. John:
Flat Fork (19 November 2017) (Warren County, Ohio, USA) 1
James St. John:
Flat Fork (19 November 2017) (Warren County, Ohio, USA) 2
James St. John:
Flat Fork (19 November 2017) (Warren County, Ohio, USA) 3
James St. John:
Flat Fork (19 November 2017) (Warren County, Ohio, USA) 4
James St. John:
Flat Fork (19 November 2017) (Warren County, Ohio, USA) 5
James St. John:
Flat Fork (19 November 2017) (Warren County, Ohio, USA) 6
James St. John:
Horseshoe Falls (19 November 2017) (Flat Fork, Warren County, Ohio, USA) 4
James St. John:
Horseshoe Falls (19 November 2017) (Flat Fork, Warren County, Ohio, USA) 5
James St. John:
Horseshoe Falls (19 November 2017) (Flat Fork, Warren County, Ohio, USA) 5
James St. John:
Horseshoe Falls (19 November 2017) (Flat Fork, Warren County, Ohio, USA) 6
James St. John:
Horseshoe Falls (19 November 2017) (Flat Fork, Warren County, Ohio, USA) 7
James St. John:
Horseshoe Falls (19 November 2017) (Flat Fork, Warren County, Ohio, USA) 8
James St. John:
Horseshoe Falls (19 November 2017) (Flat Fork, Warren County, Ohio, USA) 9
James St. John:
Horseshoe Falls (19 November 2017) (Flat Fork, Warren County, Ohio, USA) 10
James St. John:
Horseshoe Falls (19 November 2017) (Flat Fork, Warren County, Ohio, USA) 11
James St. John:
Horseshoe Falls (19 November 2017) (Flat Fork, Warren County, Ohio, USA) 12
James St. John:
Horseshoe Falls (19 November 2017) (Flat Fork, Warren County, Ohio, USA) 13
James St. John:
Imbricated limestone slabs (gravel bar along Flat Fork, Warren County, Ohio, USA) 1
James St. John:
Imbricated limestone slabs (gravel bar along Flat Fork, Warren County, Ohio, USA) 2
James St. John:
Imbricated limestone slabs (gravel bar along Flat Fork, Warren County, Ohio, USA) 3
James St. John:
Imbricated limestone slabs (gravel bar along Flat Fork, Warren County, Ohio, USA) 4
James St. John:
Imbricated limestone slabs (gravel bar along Flat Fork, Warren County, Ohio, USA) 5
James St. John:
Megarippled limestone (Waynesville Formation, Upper Ordovician; Flat Fork, Warren County, Ohio, USA) 5
James St. John:
Megarippled limestone (Waynesville Formation, Upper Ordovician; Flat Fork, Warren County, Ohio, USA) 6
James St. John:
Megarippled limestone (Waynesville Formation, Upper Ordovician; Flat Fork, Warren County, Ohio, USA) 7
James St. John:
Megarippled limestone (Waynesville Formation, Upper Ordovician; Flat Fork, Warren County, Ohio, USA) 8