Mason & Dixon’s Tangent Stone

Mason & Dixon’s Tangent Stone is a Delaware historical marker in New Castle County, dedicated 1932.

New Castle County · dedicated 1932 · 2 mi. SW of Newark E. side of Lincoln Hwy at Delaware/MD Hwy · location approximate

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In the field between this road and the railroad track is located the famous tangent stone, surveyed and marked by Mason and Dixon in 1764, when surveying the boundary line between Maryland and Delaware. The tangent stone is on the circumference of an arc twelve miles from New Castle.

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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

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Source: State of Delaware Historical Markers Program, administered by the Delaware Public Archives.
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Mason & Dixon’s Tangent Stone

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