
Knox serves as a primary hub of settlement in this early 1960s survey of Clarion County, where the Baltimore and Ohio railroad corridor intersects with a landscape heavily defined by resource extraction. Extensive strip mines and numerous gas wells punctuate the terrain, reflecting the industrial character of the region. The Clarion River winds through the southern portion of the map, creating dramatic bends like the Turnip Hole and passing through the historic community of Callensburg.
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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