Pennsylvania Geological Survey - Historical Photographs

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  • Date = 1926-10-07

About This Collection

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

Displaying 31 items
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Rivers and Streams
Approaching Lock No. 2 on Monongahela River above Pittsburgh, from front of steamer.
Stratigraphy
Bluff of Monongahela River showing discordant stratification, just below first dam and lock, Pittsburgh.
Nonmetallic Mineral Resources
Bucket dredge unloading coal, Monongahela River, above Pittsburgh.
Cities, Towns, and Buildings
Edgar Thompson Works, Carnegie Steel Company, Monongahela River, Pittsburgh
Cities, Towns, and Buildings
First Dam on Monongahela River. Industrial building in background. Pittsburgh., Dam no. 1.
Cities, Towns, and Buildings
First Dam on Monongahela River. Industrial building in background. Pittsburgh., Dam no. 1.
Cities, Towns, and Buildings
National Tube Company's plant, McKeesport.
Cities, Towns, and Buildings
National Tube Company's plant, McKeesport.
Cities, Towns, and Buildings
Small coal tow on Monongahela River., Near Clairton.
Cities, Towns, and Buildings
Small coal tow on Monongahela River., Near Clairton.
Cities, Towns, and Buildings
Steel mill along Monongahela River, Pittsburgh.
Cities, Towns, and Buildings
Steel mill along Monongahela River, Pittsburgh.
Cities, Towns, and Buildings
Steel mill along Monongahela River, Pittsburgh.
Cities, Towns, and Buildings
Steel plant along Monongahela River, Pittsburgh.
Cities, Towns, and Buildings
Steel plant along Monongahela River, Pittsburgh.
Cities, Towns, and Buildings
Steel plant on east bank of Monongahela River, Pittsburgh.
Cities, Towns, and Buildings
Steel plant on east bank of the Monongahela River above Pittsburgh.
Cities, Towns, and Buildings
Steel plant on east bank of the Monongahela River above Pittsburgh.
Cities, Towns, and Buildings
Steel plant on east bank of the Monongahela River above Pittsburgh
Cities, Towns, and Buildings
Transporting molten metal in crucibles, west bank of Monongahela River, above Pittsburgh.