Aaronsburg and Millheim anchor this portion of the Penns Valley, where long-established agricultural patterns meet the ridges of the Appalachian Mountains. The map documents a landscape defined by its many gaps and narrow passages, such as Millheim Narrows and Colvey Narrows, which have historically dictated the flow of travel and commerce between the valley floors. Water sources like Seven Spring and Tylersville Spring underscore the importance of the local karst topography to the region's early development.
133 named features on this map. Tap any name to fly to it.
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This is the sole edition of this map. No revisions or reprints were ever made.
1921 · Howard
USGS Topo · 1:48,000
1921 · Lock Haven
USGS Topo · 1:62,500
1923 · Howard
USGS Topo · 1:62,500
1923 · Lock Haven
USGS Topo · 1:62,500
1924 · Centre Hall
USGS Topo · 1:62,500
1929 · Centre Hall
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
1944 · Lock Haven
USGS Topo · 1:62,500