
The Monongahela River carves a winding path through this industrial heartland, its banks crowded with steep river towns and coal-related infrastructure. Based on surveys starting at the turn of the century with cultural revisions in the early 1930s, the map reveals a landscape defined by extraction and transport. Major industrial nodes like the Vesta Mine and Lock No 4 sit alongside the dense rail networks of the Pittsburgh and Lake Erie RR and the Pennsylvania RR.
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This is the sole edition of this map. No revisions or reprints were ever made.
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