
The Lehigh River carves a deep valley through this industrial and transport corridor, separating the Indian Hills from the steep Mauch Chunk Ridge. This 1970 revision shows the landscape in transition, most notably with the planned inundation of the Pohopoco Creek valley to form Beltzville Lake. Purple hatching on the sheet indicates the vast area designated for submergence behind the Beltzville Dam, a change that would fundamentally alter the character of the Pohopoco Valley and the settlement of Beltzville.
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6 editions found
1889 · Hazleton
USGS Topo · 1:62,500
1891 · Hazleton
USGS Topo · 1:62,500
1893 · Hazleton
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
1922 · Mauch Chunk
USGS Topo · 1:62,500
1924 · Mauch Chunk
USGS Topo · 1:62,500
1937 · Allentown West
USGS Topo · 1:48,000
1942 · Allentown West
USGS Topo · 1:62,500