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Aerial photograph of Milton, Delaware, showing the area of Savanna bay
The Bays and Basins of Delaware. Overlay map of the topography of Savanna bay. Scale 1 to 4,800. Contour Interval 2 Feet Datum Is Mean Sea Level.; From Rasmussen, W., Geology and Hydrology of the Bays and Basins of Delaware, 1958 , Plate 6A.