Erie Extension Canal
Route of travel and trade, Pittsburgh to Great Lakes 1840-1871. Important to the Western Pennsylvania Iron Industry before the rise of the railroads. Lock #10, a guard lock, represents the only remaining canal lock.
David Rumsey Map Collection, Stanford LibrariesDavid Rumsey Map Collection, Stanford LibrariesDavid Rumsey Map Collection, Stanford LibrariesDavid Rumsey Map Collection, Stanford LibrariesBarry Lawrence Ruderman Map Collection, Stanford Libraries
Marker data: Pennsylvania Historical and Museum Commission via data.pa.gov
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