Pennsylvania Geological Survey - Historical Photographs

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About This Collection

This collection includes photographs from the Pennsylvania Geological Survey Historical Photographs Collection.
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Alexander Caverns
Alexander Caverns
Caves
Alexander Caverns, showing nests of calcite concretions.
Baker Caverns
Baker Caverns
Caves
Baker Caverns, Williamson. The Umbrella.
Baker Caverns, Lodge
Baker Caverns, Lodge
Caves
Baker Caverns, Lodge. Williamson, Pa.
Baker Caverns, Lodge
Baker Caverns, Lodge
Caves
Baker Caverns, Lodge. Williamson, Pa.
Bear Cave
Bear Cave
Caves
Bear Cave, in siliceous limestone. East of Hillside.
Broken column, Indian Echo Caverns
Broken column, Indian Echo Caverns
Caves
Broken column, Indian Echo Caverns
Cave and spring, Buffalo Creek
Cave and spring, Buffalo Creek
Caves
Cave and spring, Buffalo Creek. Vanport limestone at spring, Buffalo Creek, two miles southwest of Worthington
Cave at Arch Spring
Cave at Arch Spring
Caves
Cave at Arch Spring., Inside looking out.
Cave at Arch Spring
Cave at Arch Spring
Caves
Cave at Arch Spring.
Cave concretions
Cave concretions
Caves
Cave concretions for Mr. Stone.
Cave in Helderberg limestone
Cave in Helderberg limestone
Caves
Cave in Helderberg limestone at Winfield.
Cave in quarry at Winfield
Cave in quarry at Winfield
Caves
Cave in quarry at Winfield, Helderberg limestone.
Cave in Trenton limestone
Cave in Trenton limestone
Caves
Cave in Trenton limestone. Hellertown, Lehigh County.
Cave on Peachy Farm
Cave on Peachy Farm
Caves
Cave on Peachy Farm, Allensville., p. 102
Columns with crystals
Columns with crystals
Caves
Columns with crystals which have been coated with dripstone. Wonderland Caverns, Manns Choice.
Conodoguinet Cave
Conodoguinet Cave
Caves
Conodoguinet Cave, Carlisle. M. N. Shaffner shown in photograph.
Crystal Cave
Crystal Cave
Caves
Crystal Cave.
Crystal Lake, Indian Echo Caverns
Crystal Lake, Indian Echo Caverns
Caves
Crystal Lake, Indian Echo Caverns
Crystals from Wonderland Caverns
Crystals from Wonderland Caverns
Caves
Crystals from Wonderland Caverns, Manns Choice.
Crystals growing out from wall, coated with flowstone
Crystals growing out from wall, coated with flowstone
Caves
Crystals growing out from wall, coated with flowstone. Wonderland Caverns, Manns Choice.