James St. John:
Bleeding unconformities in the Blocher Member of the New Albany Shale (Upper Devonian; Interstate 65 entrance ramp roadcut, Bullitt County, Kentucky, USA)
James St. John:
Blocher Member-Morgan Trail Member boundary (New Albany Shale, Upper Devonian; Interstate 65 entrance ramp roadcut, Bullitt County, Kentucky, USA) 1
James St. John:
Blocher Member-Morgan Trail Member boundary (New Albany Shale, Upper Devonian; Interstate 65 entrance ramp roadcut, Bullitt County, Kentucky, USA) 2
James St. John:
Blocher Member-Morgan Trail Member boundary (New Albany Shale, Upper Devonian; Interstate 65 entrance ramp roadcut, Bullitt County, Kentucky, USA) 3