Pennsylvania Geological Survey - Historical Photographs

Active Filters:
  • Location Covered = Lebanon
  • Date = 1971

About This Collection

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

Displaying 12 items
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Interstate 81 bridge construction over the Swatara River, Swatara Gap
Interstate 81, view of Swatara Gap at Lickdale
Sinkhole, Palmyra Borough
Sinkhole, Palmyra Borough
Sinkhole, Palmyra Borough
Slope failure, Triassic sandstone and conglomerate
Slope failure, Triassic sandstone and conglomerate
Slope failure, Triassic sandstone and conglomerate
Slope failure, Triassic sandstone and conglomerate
Slope failure,Triassic sandstone and conglomerate
Unconformity, Martinsburg Formation and Tuscarora quartzite
Unconformity, Martinsburg Formation and Tuscarora quartzite