Category:En echelon quartz veins in sandstone (Thunderhead Sandstone; Clingmans Dome, Great Smoky Mountains, North Carolina)
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Media in category "En echelon quartz veins in sandstone (Thunderhead Sandstone; Clingmans Dome, Great Smoky Mountains, North Carolina)"
The following 4 files are in this category, out of 4 total.