
The Lehigh River and the parallel Lehigh Canal dominate the southwestern corner of this landscape, marking the historic industrial corridor where Palmerton and Slatington developed. While the valley floor is occupied by heavy infrastructure like the Conrail railroad and local airports, the terrain is defined by the sharp rise of Blue Mountain and Stony Ridge, which channel development into tight valleys. The Appalachian Trail follows the high ridge line, overlooking a mix of concentrated industry and scattered rural settlements such as Danielsville and Berlinsville.
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This is the sole edition of this map. No revisions or reprints were ever made.
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