
Duncannon sits at the vital confluence where the Juniata River meets the Susquehanna River, a landscape defined by industrial corridors and river navigation. In the early 1950s, the remnants of the Juniata River (Abandoned Canal) traced the water's edge alongside the active Pennsylvania Railroad, illustrating the shift from canal era transport to the rail and highway age. The topography is dominated by a series of parallel ridges, including Hickory Ridge and Mahanoy Ridge, which channeled development into the narrow valleys.
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5 editions found
1892 · Harrisburg
USGS Topo · 1:62,500
1893 · Millersburg
USGS Topo · 1:62,500
1899 · Harrisburg
USGS Topo · 1:62,500
1907 · New Bloomfield
USGS Topo · 1:62,500
1907 · Millerstown
USGS Topo · 1:62,500
1924 · Harrisburg
USGS Topo · 1:62,500
1943 · Millerstown
USGS Topo · 1:62,500
1943 · Millersburg
USGS Topo · 1:62,500
1943 · Harrisburg
USGS Topo · 1:62,500
1943 · New Bloomfield
USGS Topo · 1:62,500