Pennsylvania Geological Survey - Historical Photographs

Active Filters:
  • Date = 1970
  • Location Covered = Centre

About This Collection

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

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Interstate Highway
Series of sinkholes in cross-section along Interstate 80, Mile 174 + 4400.
Interstate Highway
Series of sinkholes in cross-section along Interstate 80, Mile 174 + 4400.
Interstate Highway
Series of sinkholes in cross-section along Interstate 80, Mile 174 + 4400.