
Imperial and the nearby Clinton area define this landscape during a period of industrial expansion across the borders of Allegheny, Beaver, and Washington counties. Extensive Strip Mines and numerous mine dumps dominate the terrain, particularly around Santiago and Champion, illustrating the heavy footprint of the local coal industry. The southern reach of the map follows the Penn Central rail line through Bulger and Raccoon, connecting these mining communities to larger regional markets.
43 named features on this map. Tap any name to fly to it.
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7 editions found
1901 · Beaver
USGS Topo · 1:62,500
1904 · Beaver
USGS Topo · 1:62,500
1904 · Carnegie
USGS Topo · 1:62,500
1904 · Burgettstown
USGS Topo · 1:62,500
1906 · Burgettstown
USGS Topo · 1:62,500
1906 · Carnegie
USGS Topo · 1:62,500
1906 · Sewickley
USGS Topo · 1:62,500
1908 · Sewickley
USGS Topo · 1:62,500
1908 · Carnegie
USGS Topo · 1:62,500
1951 · Canton
USGS Topo · 1:250,000