
The Allegheny River and Tionesta Creek valleys dominate this 1954 landscape, reflecting a region deeply tied to the extraction and transportation of natural resources. The Penn Central railroad follows the winding river corridor, connecting the borough of Clarendon and the industrial outskirts of Warren. Settlement is concentrated along these low-lying water routes, while the heavily wooded slopes of the Allegheny National Forest rise to the east.
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5 editions found
1906 · Warren
USGS Topo · 1:62,500
1907 · Warren
USGS Topo · 1:62,500
1908 · Warren
USGS Topo · 1:62,500
1934 · Kane
USGS Topo · 1:48,000
1935 · Sheffield
USGS Topo · 1:48,000
1936 · Kinzua
USGS Topo · 1:48,000
1939 · Kane
USGS Topo · 1:62,500
1941 · Sheffield
USGS Topo · 1:62,500
1941 · Kinzua
USGS Topo · 1:62,500
1947 · Cherry Grove
USGS Topo · 1:24,000