
The Lehigh River corridor serves as the industrial and residential spine of this mid-century Pennsylvania landscape, where the urban boundaries of Allentown, Bethlehem, and Northampton converge. The terrain is defined by a dense network of specialized land use, from the expansive Allentown-Bethlehem-Easton Airport to the sprawling State Hospital Farm. Smaller rural settlements like Seemsville and Weaversville persist in the north, while the southern half shows the concentrated growth of the Lehigh Valley Industrial Park and residential developments like Midway Manor and Westgate Hills.
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6 editions found
1894 · Allentown
USGS Topo · 1:62,500
1902 · Slatington
USGS Topo · 1:62,500
1914 · Wind Gap
USGS Topo · 1:62,500
1916 · Wind Gap
USGS Topo · 1:62,500
1922 · Mauch Chunk
USGS Topo · 1:62,500
1924 · Mauch Chunk
USGS Topo · 1:62,500
1937 · Allentown West
USGS Topo · 1:48,000
1939 · Allentown
USGS Topo · 1:62,500
1942 · Allentown West
USGS Topo · 1:62,500
1943 · Mauch Chunk
USGS Topo · 1:62,500