Cornwall Banks
One of the world's greatest iron mines, the oldest operated continuously in the New World. It has been mined for more than two centuries, and is still the greatest iron ore deposit east of Lake Superior.
USGS Historical Topographic Map CollectionDavid Rumsey Map Collection, Stanford LibrariesDavid Rumsey Map Collection, Stanford LibrariesDavid Rumsey Map Collection, Stanford LibrariesUSGS Historical Topographic Map Collection
Marker data: Pennsylvania Historical and Museum Commission via data.pa.gov
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