First Fork Sinnemahoning Creek carves a deep path through this section of the Pennsylvania Wilds, serving as the central axis for the small settlements of Wharton, Costello, and the southern edge of Austin. The landscape is defined by an intricate network of narrow drainages such as Freeman Run and Bailey Run, which feed into the larger creek valley. This geography dictated the placement of early infrastructure, with First Fork Rd and various forestry routes following the level ground near the water.
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1945 · Driftwood
USGS Topo · 1:48,000
1945 · First Fork
USGS Topo · 1:24,000
1945 · Cameron
USGS Topo · 1:24,000
1946 · Renovo West
USGS Topo · 1:62,500
1946 · Hammersley Fork
USGS Topo · 1:24,000
1947 · Cameron
USGS Topo · 1:24,000
1947 · First Fork
USGS Topo · 1:24,000
1947 · Conrad
USGS Topo · 1:62,500
1947 · Conrad
USGS Topo · 1:24,000
1947 · Ayers Hill
USGS Topo · 1:24,000