
The Monongahela River carves a deep, winding path through this industrial landscape, where coal mining and river transport shaped the early twentieth-century economy. Steep river bluffs are dotted with specialized infrastructure like the Colonial Dock and the Vesta Mine, serving the massive extraction operations that fueled the region. This survey captures the dense network of company towns and river settlements including Monongahela, Charleroi, and Donora, all linked by the Pennsylvania R. R. and the Pittsburgh & Lake Erie R. R. that hug the water's edge.
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This is the sole edition of this map. No revisions or reprints were ever made.
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