
Youghiogheny River coal and industrial activity define this portrait of Westmoreland County, where the steep river valley at Smithton gives way to a landscape heavily reshaped by mining. The 1954 field data, updated with 1969 aerial revisions, captures a network of strip mines and industrial sites like the Youngwood Compressing Station and the Waltz Mill facility. These industrial hubs are interconnected by the Penn Central and Baltimore and Ohio railroads, which weave through the terrain alongside the Pennsylvania Turnpike Toll Road.
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