
The Lehigh River carves a path through this mountainous landscape, serving as the industrial and transit corridor for the New Jersey Central Railroad and Lehigh Valley Railroad. In the early 1920s, this area was defined by its valley towns and the imposing natural barriers of Summer Mountain and Mauch Chunk. The rugged topography is punctuated by deep gaps like the Lehigh Gap and engineering feats such as the Rockport Tunnel, which facilitated the movement of anthracite coal through the region.
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2 editions found
1889 · Hazleton
USGS Topo · 1:62,500
1891 · Wilkesbarre
USGS Topo · 1:62,500
1891 · Hazleton
USGS Topo · 1:62,500
1893 · Hazleton
USGS Topo · 1:62,500
1894 · Allentown
USGS Topo · 1:62,500
1894 · Wilkesbarre
USGS Topo · 1:62,500
1902 · Slatington
USGS Topo · 1:62,500
1909 · Hamburg
USGS Topo · 1:62,500
1911 · Hamburg
USGS Topo · 1:62,500
1914 · Wind Gap
USGS Topo · 1:62,500