
Farmers Mills and Spring Mills anchor the northern reaches of this mid-1960s landscape, where the valley floor is defined by the winding course of Penns Creek and the Penn Central rail line. The terrain transitions from the agricultural openness of Penn Valley into a series of strictly parallel ridges, including Egg Hill, Georges Valley, and the massive Bald Eagle State Mountain. This pattern of narrow valleys and high ridges dictated historical settlement and transport, with gaps like Vonada Gap and Zerby Gap serving as vital passage points.
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4 editions found
1924 · Centre Hall
USGS Topo · 1:62,500
1924 · Lewistown
USGS Topo · 1:62,500
1925 · Mifflintown
USGS Topo · 1:48,000
1927 · Lewisburg
USGS Topo · 1:62,500
1929 · Centre Hall
USGS Topo · 1:62,500
1934 · Mifflintown
USGS Topo · 1:62,500
1937 · Mifflintown
USGS Topo · 1:62,500
1937 · Millheim
USGS Topo · 1:48,000
1941 · Millheim
USGS Topo · 1:62,500
1943 · Lewistown
USGS Topo · 1:125,000