Pennsylvania Geological Survey - Historical Photographs

Active Filters:
  • Location Covered = York
  • Subject = Stratigraphy
  • Date = 1928

About This Collection

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

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An alternative figure showing pinching out of beds
Alternative figure showing pinching out of beds along dip, also variation in dip
Change of dip in Triassic sediments
Pinching out of beds
Pinching out of beds down the dip
Pinching out of beds up the dip
Pinching out of beds up the dip
Stratigraphy
Stratigraphy
(Strike) fault of undeterminable displacement