Pennsylvania Geological Survey - Historical Photographs

Active Filters:
  • Location Covered = Lancaster
  • Date = 1960

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
Pegmatites in quartzite
Pegmatites in quartzite
Igneous and Metamorphic
Pegmatites in quartzite, Green Tree, Pa.
Showalter Quarry
Showalter Quarry
Economic Uses
Showalter Quarry, Blue Ball, Pa. Pegmatite in limestone
Triassic sandstone along Route 322
Triassic sandstone along Route 322
Stratigraphy
Triassic sandstone along Route 322, Lebanon pumping station