
Allegheny National Forest dominates this mid-century landscape of northern Pennsylvania, reflecting a region defined by its timbered highlands and industrial river valleys. The winding Allegheny River and the Clarion River provide the primary geographic framework, connecting established manufacturing hubs like Oil City, Warren, and Franklin. This era represents a peak for the regional transportation network, with the Pennsylvania RR and Baltimore & Ohio RR still servicing the coal and timber towns of Ridgway and Kane.
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This is the sole edition of this map. No revisions or reprints were ever made.
1898 · Olean
USGS Topo · 1:62,500
1899 · Erie
USGS Topo · 1:62,500
1900 · Erie
USGS Topo · 1:62,500
1900 · Salamanca
USGS Topo · 1:62,500
1900 · Kittanning
USGS Topo · 1:62,500
1901 · Rural Valley
USGS Topo · 1:62,500
1902 · Kittanning
USGS Topo · 1:62,500
1903 · Curwensville
USGS Topo · 1:62,500
1903 · Rural Valley
USGS Topo · 1:62,500
1903 · Houtzdale
USGS Topo · 1:62,500