MEDIA Show Media Credit: National Archives and Records AdministrationOriginal Author: Carlos TrudeauCreated: ca. 1799Medium: City planPlano de la Cuidad de Nueva – OrleansA circa 1799 map titled Plano de la Cuidad de Nueva–Orleans (Plan of the City of New Orleans) depicts the strategic port city on the Mississippi River while it was under Spanish rule. Fortifications surround the entire city.FEATURED INLouisiana PurchaseGeorge Rogers Clark (1752–1818)