
Mercer and Grove City anchor a landscape defined by early 20th-century industry and education, as seen in this 1911 survey. The region is crisscrossed by major rail lines including the Bessemer and Lake Erie RR and the Pennsylvania RR, which supported local extraction at sites like the Number Five Mine. Significant civic landmarks include the State Hospital near the county seat and the State Normal School in the south, reflecting the area's institutional growth.
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6 editions found
1902 · New Castle
USGS Topo · 1:62,500
1904 · Newcastle
USGS Topo · 1:62,500
1905 · Neshannock
USGS Topo · 1:62,500
1907 · Neshannock
USGS Topo · 1:62,500
1908 · Shenango
USGS Topo · 1:62,500
1908 · Zelienople
USGS Topo · 1:62,500
1909 · Franklin
USGS Topo · 1:62,500
1909 · Butler
USGS Topo · 1:62,500
1910 · Zelienople
USGS Topo · 1:62,500
1910 · Hilliards
USGS Topo · 1:62,500