
Industrial corridors and postwar suburban expansion define the landscape of eastern Allegheny County as it transitioned during the mid-century era. The Monongahela River and Allegheny River serve as the primary anchors for heavy industry and transit, supporting dense rail networks like the Pennsylvania RR and Union RR. Between these river valleys, the map captures the rapid densification of neighborhoods such as Penn Hills, Monroeville, and Churchill.
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5 editions found
1904 · Mc Keesport
USGS Topo · 1:62,500
1904 · Greensburg
USGS Topo · 1:62,500
1906 · Greensburg
USGS Topo · 1:62,500
1907 · Pittsburg
USGS Topo · 1:62,500
1907 · Freeport
USGS Topo · 1:62,500
1908 · New Kensington
USGS Topo · 1:62,500
1909 · Freeport
USGS Topo · 1:62,500
1910 · New Kensington
USGS Topo · 1:62,500
1951 · Pittsburg East
USGS Topo · 1:24,000
1953 · Pittsburgh
USGS Topo · 1:250,000