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Mason-Dixon Line

Mason-Dixon Line is a Pennsylvania historical marker in York County, dedicated 1970.

York County · dedicated 1970 · Delta Rd. (PA 74 / MD 165)

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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 June 26, 1765.

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David Rumsey Map Collection, Stanford Libraries

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under a mile from where William Gabby lived in the 1760s

what this marker records spans 1777 to 1789, overlapping William Gabby's years here

From one family's 77-marker roster

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Marker data: Pennsylvania Historical and Museum Commission via data.pa.gov

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