Pit and Quarry: The Cement and Slate Industries of Lehigh Valley

Old factory with trees growing around.
National Portland Cement Complex. Lehigh Valley, Pennsylvania. Photo Credit: Preston Hull
Lake and cliffs in Lehigh Valley.
Lafarge Holcim- Whitehall. Lehigh Valley, Pennsylvania. Photo Credit: Preston Hull
Walls of a quarry with cranes at the top.
American Bangor. Former Slate Quarry, Lehigh Valley, Pennsylvania. Photo Credit: Preston Hull
Cement silos with ALPHA CEMENT painted on the side.
Alpha Cement Silos. Lehigh Valley, Pennsylvania. Photo Credit: Preston Hull
Group photo of class with industrial equipment in the background.
Spring 2016 Slate class visiting American Bangor. Photo Credit: Preston Hull
Abandoned quarry that has now turned in to a lake.
American Bangor. Former slate quarry of the Historic Lehigh Valley Slate Belt, Pennsylvania. Photo credit: Evan Oxland
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National Portland Cement Complex. Lehigh Valley, Pennsylvania. Photo Credit: Preston Hull
Lafarge Holcim- Whitehall. Lehigh Valley, Pennsylvania. Photo Credit: Preston Hull
American Bangor. Former Slate Quarry, Lehigh Valley, Pennsylvania. Photo Credit: Preston Hull
Alpha Cement Silos. Lehigh Valley, Pennsylvania. Photo Credit: Preston Hull
Spring 2016 Slate class visiting American Bangor. Photo Credit: Preston Hull
American Bangor. Former slate quarry of the Historic Lehigh Valley Slate Belt, Pennsylvania. Photo credit: Evan Oxland