
The Youghiogheny River carves the southwestern corner of this landscape, anchoring the borough of Smithton. As the century draws to a close, the area maintains its mix of tight-knit settlements and rugged valley topography across South Huntingdon and Sewickley townships. The infrastructure of the Pennsylvania Turnpike Toll Road and several major interchanges, such as Interchange 25A near Waltz Mill, signal the modernization of this Westmoreland County corridor.
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This is the sole edition of this map. No revisions or reprints were ever made.
1902 · Brownsville
USGS Topo · 1:62,500
1902 · Connellsville
USGS Topo · 1:62,500
1904 · Mc Keesport
USGS Topo · 1:62,500
1904 · Greensburg
USGS Topo · 1:62,500
1906 · Brownsville
USGS Topo · 1:62,500
1906 · Greensburg
USGS Topo · 1:62,500
1907 · Pittsburg
USGS Topo · 1:62,500
1931 · Brownsville
USGS Topo · 1:62,500
1931 · Connellsville
USGS Topo · 1:62,500
1933 · Brownsville
USGS Topo · 1:62,500