Pennsylvania Geological Survey - Historical Photographs

Active Filters:
  • Location Covered = Mifflin
  • Original Format = Photographs

About This Collection

This collection includes photographs from the Pennsylvania Geological Survey Historical Photographs Collection.

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Syncline near pole 153-10
Talus Medina sandstone
Trinity Reformed Church
Tuscarora Formation
Tuscarora sandstone (?)
Tuscarora sandstone (?)
Tuscarora sandstone along Seven Mountain Road
Tuscarora sandstone from Narrows
Upper part of Don where formation is dominantly limestone
Vertical folding in Silurian rocks (Clinton?)
Wayside spring
Yoder farm spring