Pennsylvania Geological Survey - Historical Photographs

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  • Date = 1926-10-07

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