
Bradford serves as the industrial and transit hub of this McKean County landscape, situated at the confluence of the West Branch Tuna Creek and East Branch Tuna Creek. The mapping reveals a dense network of extraction and production infrastructure, including the Nusbaum Chemical Plant and Hazelton Mills, alongside smaller settlements like Derrick City and Sawyer City. This era was defined by intensive rail activity, with lines for the Erie Railroad, Pennsylvania Railroad, and Buffalo Rochester And Pittsburgh Railroad threading through the narrow valleys to serve the region's oil and timber interests.
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4 editions found
1898 · Olean
USGS Topo · 1:62,500
1900 · Salamanca
USGS Topo · 1:62,500
1922 · Randolph
USGS Topo · 1:62,500
1923 · Randolph
USGS Topo · 1:62,500
1924 · Bradford
USGS Topo · 1:62,500
1926 · Bradford
USGS Topo · 1:62,500
1933 · Smethport
USGS Topo · 1:62,500
1934 · Kane
USGS Topo · 1:48,000
1935 · Mt. Jewett
USGS Topo · 1:48,000
1936 · Kinzua
USGS Topo · 1:48,000