Portville serves as the focal point of this survey, situated at the convergence of the Allegheny River and Oswayo Cr. The settlement pattern follows the valley floors, with clusters of development appearing at Weston Mills and Mill Grove, while the surrounding elevations like Portville Ridge and Typnahda Mountain remain largely rural. Local infrastructure is well-documented, from the Portville Drive-In near the river to the Reiss Game Farm Airport in the northern reach. Several smaller locales such as Toll Gate Corner and Bedford Corners mark key road intersections, reflecting the historical transport network of Cattaraugus County. Genealogists will find four distinct burial grounds, including Chestnut Hill Cem and W Genesee Cem, which anchor the various hamlets across the landscape.
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This is the sole edition of this map. No revisions or reprints were ever made.
1898 · Olean
USGS Topo · 1:62,500
1925 · Belmont
USGS Topo · 1:62,500
1933 · Smethport
USGS Topo · 1:62,500
1934 · Coudersport
USGS Topo · 1:48,000
1937 · Smethport
USGS Topo · 1:62,500
1938 · Coudersport
USGS Topo · 1:62,500
1938 · Olean
USGS Topo · 1:62,500
1939 · Belmont
USGS Topo · 1:62,500
1943 · Olean
USGS Topo · 1:62,500
1957 · Warren
USGS Topo · 1:250,000