Pennsylvania Geological Survey - Historical Photographs

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This collection includes photographs from the Pennsylvania Geological Survey Historical Photographs Collection.
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Clearfield County roads
Clearfield County roads
Miscellaneous
Clearfield County roads, Curwensville quadrangle.
Close up of "Lafayette" deposit on south edge of Broomall
Close up of "Lafayette" deposit on south edge of Broomall
Miscellaneous
Close up of "Lafayette" deposit on south edge of Broomall, Chester quadrangle.
Conestoga Creek at Brownstown
Conestoga Creek at Brownstown
Miscellaneous
Conestoga Creek at Brownstown, New Holland quadrangle.
Conestoga Creek at Brownstown
Conestoga Creek at Brownstown
Miscellaneous
Conestoga Creek at Brownstown, New Holland quadrangle.
Construction of new Convention Center
Construction of new Convention Center
Miscellaneous
Construction of new Convention Center at Hershey Motor Lodge, Derry Township.
David White at stern of canal boat on plane
David White at stern of canal boat on plane
Miscellaneous
David White at stern of canal boat on plane. Boonton, New Jersey.
Differential Thermal Analysis (DTA) furnace pit
Differential Thermal Analysis (DTA) furnace pit
Miscellaneous
Differential Thermal Analysis (DTA) furnace pit, State Lab, Harrisburg
Differential Thermal Analysis (DTA) with furnaces on top
Differential Thermal Analysis (DTA) with furnaces on top
Miscellaneous
Differential Thermal Analysis (DTA) with furnaces on top, State Lab Harrisburg
Dirt road at end of concrete
Dirt road at end of concrete
Miscellaneous
Dirt road at end of concrete, Rutan.
Ditch-digging machine
Ditch-digging machine
Miscellaneous
Ditch-digging machine, Pen Argyl.
Dodge Roadster
Dodge Roadster
Miscellaneous
Dodge Roadster, bought April, 1925.
Edge of lake
Edge of lake
Miscellaneous
Edge of lake, Eagles Mere. Laurel, Rhododendron, Mountain Ash, Hemlock, etc.
Enlarging Hershey Motor Lodge
Enlarging Hershey Motor Lodge
Miscellaneous
Enlarging Hershey Motor Lodge, Derry Township.
Exposed turbine power plant
Exposed turbine power plant
Miscellaneous
Exposed turbine power plant, Mill Hall Gap.
"Fall"
"Fall"
Miscellaneous
"Fall."
Flood damage to highway by Wills Creek
Flood damage to highway by Wills Creek
Miscellaneous
Flood damage to highway by Wills Creek east of Fairhope
Flood waste, ravine above road
Flood waste, ravine above road
Miscellaneous
Flood waste, ravine above road, one-half mile north of Brush Creek, Fairhope Township
Flora breccia and pyroclastic
Flora breccia and pyroclastic
Miscellaneous
Flora breccia and pyroclastic, Bunker Hill
The forks of the road
The forks of the road
Miscellaneous
The forks of the road.
Four foot, six inch rattler
Four foot, six inch rattler
Miscellaneous
Four foot, six inch rattler