
The Lehigh River corridor serves as the industrial and transportation backbone of this region, where the Central Railroad of New Jersey and Lehigh Valley Railroad parallel its winding course. The 1922 topography reveals a landscape defined by sharp elevation shifts, from the deep Lehigh Gap to the heights of Bald Mountain and Pohopoco Mountain. In the valley, the concentrated development of Mauch Chunk, Lehighton, and Palmerton contrasts with the sparse uplands of Penn Forest.
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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