
The parallel ridges of the Appalachian Mountains dominate this mid-1980s landscape, with Blue Mountain and Tuscarora Mountain defining the broad valleys of south-central Pennsylvania. Significant military installations anchor the region's mid-century footprint, notably the expansive Letterkenny Army Depot near the southwestern corner and the historic Carlisle Barracks situated at the heart of Carlisle. The map captures a well-developed transportation network where Interstate 81 and the Pennsylvania Turnpike intersect, tracing the ancient path of the Great Valley through Mechanicsburg and Shippensburg.
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2 editions found
1892 · Harrisburg
USGS Topo · 1:62,500
1893 · Millersburg
USGS Topo · 1:62,500
1899 · Harrisburg
USGS Topo · 1:62,500
1900 · Mercersburg
USGS Topo · 1:62,500
1901 · Huntingdon
USGS Topo · 1:62,500
1902 · Chambersburg
USGS Topo · 1:62,500
1902 · Mercersburg
USGS Topo · 1:62,500
1904 · Huntingdon
USGS Topo · 1:62,500
1904 · Carlisle
USGS Topo · 1:62,500
1906 · New Cumberland
USGS Topo · 1:62,500