Erie Extension Canal
Inscription
Route of travel and trade, Pittsburgh to Great Lakes, 1840-1871. Important to the western Pennsylvania iron industry before the rise of the railroads. The only remaining canal lock still stands in Sharpsville.
Location
Sources
More markers in Mercer
Freedom Road
Stoneboro, PA
In search of freedom, men and women brought from the South by the "Underground Railroad" settled near here about 1825 and later.
Clay Furnace
W of Charleston, PA
First successful use of raw bituminous coal in place of charcoal, 1846; and of unmixed Lake Superior iron ore in 1856.
Erie Extension Canal
S of Greenville, PA
Route of travel and trade, Pittsburgh to Great Lakes, 1840-1871.
Bigler Graves
SE of Greenville, PA
Jacob and Susan Bigler, parents of two governors, are buried here.
Shenango Town
SE of West Middlesex (Missing), PA
Wyandot and Delaware Indian town on nearby riverbanks about 1750-1785.