
The Clarion River snakes through the heart of the Allegheny highlands, creating a deep valley that defined the industrial and transportation corridor of this region during the early 1940s. Along its banks, small settlements like Portland Mills and Arroyo served as focal points for local commerce, connected by the Pennsylvania and Baltimore And Ohio railroads. The map captures a landscape transitioning between timber and early aviation, evidenced by the Ridgway Landing Field atop the plateau.
87 named features on this map. Tap any name to fly to it.
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3 editions found
1918 · Loleta
USGS Topo · 1:62,500
1922 · Du Bois
USGS Topo · 1:62,500
1924 · Du Bois
USGS Topo · 1:62,500
1924 · Brookville
USGS Topo · 1:62,500
1926 · Brookville
USGS Topo · 1:62,500
1929 · Penfield
USGS Topo · 1:62,500
1932 · Penfield
USGS Topo · 1:62,500
1934 · Kane
USGS Topo · 1:48,000
1935 · Sheffield
USGS Topo · 1:48,000
1935 · Mt. Jewett
USGS Topo · 1:48,000