Pennsylvania Geological Survey - Historical Photographs

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  • Date = 1921

About This Collection

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

Displaying 26 items
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Broad anticline
Calcite vein and low dipping fault
Cross-bedded Browntown sandstone
Dip slope of Birmingham shale
Exposure of Upper Silurian
Glacial scour
High terrace in middle background
Juniata River
Juniata River, Tuscarora Mountain in background
Juniata River, Tuscarora Mountain in background
Limestone breccia
Local fold and small fault (on left) in Conemaugh (?) sandstone
Local fold and small fault (on left) in Conemaugh (?) sandstone
Massive Morgantown sandstone
Peneplanation
Quarry in massive sandstone
Quarrying limestone for lime and road metal
River terraces
Sharp local fold, Sewickley sandstone horizon
Sharply intersecting faults in Salina rocks