He proposed a canal across the Delmarva Peninsula to connect the Chester River at modern-day Millington, Maryland, to the Delaware River.
In the early 1970s, the northbound alignment was modified, continuing north on Middletown with DE 71 across the Chesapeake and Delaware Canal on the Summit Bridge.
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The Delaware City Historic District, Chelsea, Eastern Lock of the Chesapeake and Delaware Canal, Fairview, and Fort Delaware on Pea Patch Island are listed on the National Register of Historic Places.