
Millheim and the surrounding Ridge-and-Valley Appalachians appear here in a mid-century topography that highlights the region's dense network of narrow valleys and high ridges. The map captures the agricultural patterns in Sugar Valley and Brush Valley, where settlements like Rebersburg and Aaronsburg are connected by roads following the valley floors. In contrast, the high ground of Nittany Mountain and Thick Mountain remains largely undeveloped, defined by geological features such as The Winehead and numerous gaps like Rockville Gap and Schroyer Gap.
131 named features on this map. Tap any name to fly to it.
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1907 · Millerstown
USGS Topo · 1:62,500
1921 · Howard
USGS Topo · 1:48,000
1921 · Williamsport
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
1923 · Williamsport
USGS Topo · 1:62,500
1924 · Centre Hall
USGS Topo · 1:62,500
1924 · Lewistown
USGS Topo · 1:62,500
1925 · Mifflintown
USGS Topo · 1:48,000