
Slippery Rock serves as the focal point of this region, home to the campus of Slippery Rock State College. The landscape is defined by the winding course of Slippery Rock Creek and Wolf Creek, where several historic milling sites once operated, including Courtneys Mills, Currys Mills, and Christleys Mills. This survey reveals a transition from the college town’s structured streets to the rural expanses of Liberty and Plain Grove townships, interconnected by the Bessemer and Lake Erie Railroad.
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4 editions found
1908 · Zelienople
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
1911 · Butler
USGS Topo · 1:62,500
1912 · Hilliards
USGS Topo · 1:62,500
1913 · Mercer
USGS Topo · 1:62,500
1939 · Mercer
USGS Topo · 1:62,500
1943 · Mercer
USGS Topo · 1:62,500
1944 · Hilliards
USGS Topo · 1:62,500