Pennsylvania Geological Survey - Historical Photographs

Active Filters:
  • Date = 1960
  • Subject = Structure-Folds

About This Collection

This collection includes photographs from the Pennsylvania Geological Survey Historical Photographs Collection.
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Drag fold in Conestoga limestone along Route 72 at Lynden
Drag fold in Conestoga limestone along Route 72 at Lynden
Structure-Folds
Drag fold in Conestoga limestone along Route 72 at Lynden, south of Lancaster