This historical map portrays the area of Slippery Rock in 2016, primarily covering Slippery Rock as well as portions of Plain Grove Township, West Liberty, and Crolls Mills. Featuring a scale of 1:24,000, this map provides a highly detailed snapshot of the terrain, roads, buildings, counties, and historical landmarks in the Slippery Rock region at the time. Published in 2016, it is the sole known edition of this map.
This is the sole edition of this map. No revisions or reprints were ever made.
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