Category:Turgite on flint (Vanport Flint, Pennsylvanian; Nethers Flint Quarries, Flint Ridge, Ohio)
Media in category "Turgite on flint (Vanport Flint, Pennsylvanian; Nethers Flint Quarries, Flint Ridge, Ohio)"
The following 7 files are in this category, out of 7 total.