
The Baltimore And Ohio railroad tracks run through the borough of Knox, serving as a central artery for Clarion County's industrial and agricultural transport in the early 1960s. This landscape is defined by the winding course of the Clarion River to the south and the dissected plateau character of Ashland, Salem, and Beaver townships. The map documents an economy rooted in resource extraction, evidenced by numerous Strip Mine operations and countless oil and gas wells scattered across the hillsides near Wentlings Corners and Blairs Corners.
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4 editions found
1906 · Clarion
USGS Topo · 1:62,500
1907 · Clarion
USGS Topo · 1:62,500
1907 · Foxburg
USGS Topo · 1:62,500
1908 · Foxburg
USGS Topo · 1:62,500
1922 · Oil City
USGS Topo · 1:48,000
1922 · Tionesta
USGS Topo · 1:62,500
1924 · Oil City
USGS Topo · 1:62,500
1924 · Tionesta
USGS Topo · 1:62,500
1943 · Oil City
USGS Topo · 1:62,500
1946 · Tionesta
USGS Topo · 1:62,500