Mason-Dixon Line
The historic boundary between Pennsylvania and Maryland was surveyed, 1763-1767, by Charles Mason and Jeremiah Dixon to settle border disputes between the two Provinces. This section of the Mason-Dixon Line was surveyed in late July and early August, 1765.
David Rumsey Map Collection, Stanford LibrariesDigital Commonwealth, Boston Public LibraryBarry Lawrence Ruderman Map Collection, Stanford LibrariesBarry Lawrence Ruderman Map Collection, Stanford LibrariesDavid Rumsey Map Collection, Stanford Libraries
Marker data: Pennsylvania Historical and Museum Commission via data.pa.gov
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