Pennsylvania Geological Survey - Historical Photographs

Active Filters:
  • Date = 1929-04-23
  • Subject = Stratigraphy
  • Location Covered = Blair

About This Collection

This collection includes photographs from the Pennsylvania Geological Survey Historical Photographs Collection.
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Beekmantown dolomite railroad cut
Beekmantown dolomite railroad cut
Stratigraphy
Beekmantown dolomite railroad cut near mouth of Elk Run east of Tyrone.
Crushed and molded
Crushed and molded
Stratigraphy
Crushed and molded, railroad cut west of Birmingham Station.
Highly dipping Bellefonte strata
Highly dipping Bellefonte strata
Stratigraphy
Highly dipping Bellefonte strata, railroad cut near Ironville.
Upturned stones
Upturned stones
Stratigraphy
Upturned stones, river in background. Lamont member in left foreground. Off from private road southeast [of] Elk Run, one mile from mouth.