Mason Dixon Crownstone

Responsible for making boundaries of Maryland and Pennsylvania (including the “Three Lower Counties” of Delaware). Mason and Dixon began their survey of the North-South of Tangent Line at the southwestern corner of present-day Delaware in June 1764. Proceeding northward, they arrived here on July 30, forty-five miles from their starting point. They later returned to […]

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The Wedge

NCC-37: Created from the difficulty in surveying the twelve-mile circle tangent point and the Tangent Line defined by Charles Mason and Jeremiah Dixon, this land between the State of Maryland and the Delaware curve is a wedge-shaped tract that was claimed by Pennsylvania but governed by Delaware for more than a century. A joint commission […]

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