The South Branch Potomac River carves a deep path through the heart of the Monongahela National Forest, defining the settlement patterns of this Pendleton County region. The community of Upper Tract serves as a primary hub along US Rte 220, where the Upper Tract Bridge spans the river near several distinct natural springs, including Hermit Island Spring and Eagle Rock Spring. The topography is dominated by parallel ridges and dramatic gaps, most notably the iconic Seneca Rocks and Roy Gap to the west.
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1892 · Franklin
USGS Topo · 1:125,000
1896 · Franklin
USGS Topo · 1:125,000
1920 · Petersburg
USGS Topo · 1:48,000
1920 · Onego
USGS Topo · 1:62,500
1921 · Petersburg
USGS Topo · 1:48,000
1921 · Onego
USGS Topo · 1:48,000
1922 · Onego
USGS Topo · 1:62,500
1922 · Fort Seybert
USGS Topo · 1:48,000
1922 · Petersburg
USGS Topo · 1:62,500
1922 · Circleville
USGS Topo · 1:62,500