
Blue Mountain and Little Mountain dominate the northern landscape of this mid-century survey, creating a steep-sided corridor for the Appalachian Trail. Below the ridges, the valley opens into a complex network of agricultural and small-town life where Little Swatara Creek and the larger Swatara Creek define the drainage patterns. The era's transportation shifts are visible in the expanding footprint of the William Penn Highway as it bypasses established hubs like Jonestown and Fredericksburg.
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7 editions found
1891 · Lebanon
USGS Topo · 1:62,500
1892 · Lykens
USGS Topo · 1:62,500
1892 · Hummelstown
USGS Topo · 1:62,500
1892 · Pine Grove
USGS Topo · 1:62,500
1893 · Lykens
USGS Topo · 1:62,500
1893 · Lebanon
USGS Topo · 1:62,500
1899 · Lebanon
USGS Topo · 1:62,500
1924 · Hummelstown
USGS Topo · 1:62,500
1943 · Lebanon
USGS Topo · 1:62,500
1943 · Lykens
USGS Topo · 1:62,500