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Delaware Department of Transportation (2017). Official Travel & Transportation Map(PDF) (Map). Dover: Delaware Department of Transportation. Retrieved August 18, 2019.
Delaware State Highway Department (1920). Official Road Map(PDF) (Map). Dover: Delaware State Highway Department. Retrieved November 24, 2015.
Delaware State Highway Department (1924). Official Road Map(PDF) (Map). Dover: Delaware State Highway Department. Retrieved November 24, 2015.
Delaware State Highway Department; The National Survey Co. (1936). Official Road Map of the State of Delaware(PDF) (Map) (1936–1937 ed.). Dover: Delaware State Highway Department. Retrieved November 24, 2015.
Magill, Kerin (July 29, 2008). "Hurricane Isabel Wrapup". Sussex County Online. Archived from the original on February 8, 2012. Retrieved August 6, 2012.
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Magill, Kerin (July 29, 2008). "Hurricane Isabel Wrapup". Sussex County Online. Archived from the original on February 8, 2012. Retrieved August 6, 2012.