Description: Digitization provided by the USF Libraries Digitization Center. Rare Maps. This is a detail map of Nassau county circa 1834. It shows main towns and cities including Amelia Island. It also shows inland waters including the St. Marys River. Source: William Darby, Memoir on the geography and natural and civil history of Florida (Philadelphia, PA: Thomas H. Palmer, 1834) Map Credit: Courtesy of the Special Collections Department, University of South Florida.