
Blue Mountain dominates the northern horizon of this mid-century survey, its ridgeline carrying the Appalachian Trail across high points like The Pinnacle and Pulpit Rock. Below the slopes, the industrial and civic heart of the region centers on Hamburg, where the Schuylkill River and the Reading Railroad corridor shaped local growth. Notable landmarks of the era include the Hamburg Tuberculosis Sanatorium and the geological curiosity of Onyx Cave to the south.
47 named features on this map. Tap any name to fly to it.
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10 editions found
1889 · Pottsville
USGS Topo · 1:62,500
1891 · Pottsville
USGS Topo · 1:62,500
1894 · Reading
USGS Topo · 1:62,500
1902 · Wernersville
USGS Topo · 1:62,500
1909 · Hamburg
USGS Topo · 1:62,500
1911 · Hamburg
USGS Topo · 1:62,500
1913 · Reading
USGS Topo · 1:62,500
1915 · Reading
USGS Topo · 1:62,500
1943 · Wernersville
USGS Topo · 1:62,500
1944 · Reading
USGS Topo · 1:62,500