The confluence of the Lehigh River and Delaware River anchors this regional hub during a period of sustained urban development across the Pennsylvania-New Jersey border. Easton and Phillipsburg serve as the primary centers, flanked by smaller communities like Wilson, West Easton, and Alpha. The map reveals a dense landscape of industry and local history, where the Williams Quarry and various river structures, such as the Walter Power Dam and Easton Dam, highlight the area's reliance on water power and natural resources.
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This is the sole edition of this map. No revisions or reprints were ever made.
1890 · Easton
USGS Topo · 1:62,500
1891 · Easton
USGS Topo · 1:62,500
1891 · Delaware Water Gap
USGS Topo · 1:62,500
1893 · Delaware Water Gap
USGS Topo · 1:62,500
1894 · Allentown
USGS Topo · 1:62,500
1914 · Wind Gap
USGS Topo · 1:62,500
1916 · Wind Gap
USGS Topo · 1:62,500
1932 · Easton
USGS Topo · 1:62,500
1936 · Delaware Water Gap
USGS Topo · 1:48,000
1939 · Allentown
USGS Topo · 1:62,500