
Industrial expansion and suburban growth define the landscape of Mercer County during this era, particularly within the corridor of the Shenango River. The cities of Sharon, Farrell, and Wheatland show dense residential and commercial blocks, while the township of Hickory transitions from rural intersections like Bobbys Corners and Trouts Corners into developing neighborhoods. This period captures the shifting infrastructure of local aviation, noting both the Sharon Airport (Abandoned) and the active Hermitage Airport.
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5 editions found
1905 · Neshannock
USGS Topo · 1:62,500
1906 · Youngstown
USGS Topo · 1:62,500
1907 · Neshannock
USGS Topo · 1:62,500
1907 · Kinsman
USGS Topo · 1:62,500
1908 · Shenango
USGS Topo · 1:62,500
1908 · Youngstown
USGS Topo · 1:62,500
1950 · Cleveland
USGS Topo · 1:250,000
1951 · Campbell
USGS Topo · 1:24,000
1954 · Sharon West
USGS Topo · 1:24,000
1956 · Cleveland
USGS Topo · 1:250,000