Mason Dixon Line

New Castle County · dedicated 1932 · 1785 South Old Baltimore Pike, Newark · location approximate

The boundary between Delaware and Maryland is part of famous line surveyed 1763-1767 by Charles Mason and Jeremiah Dixon, under agreement between Lord Baltimore and heirs of William Penn. The excavations nearby were made 1804-1805 in first attempt to construct a canal connecting Delaware and Chesapeake Bays.

Digital Commonwealth, Boston Public Library

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