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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 water table during high stage, Savanna Bay. 3 inch cover over the water areas (essentially all of the area within the B-foot topographic contour).; From Rasmussen, W., Geology and Hydrology of the Bays and Basins of Delaware, 1958 , Plate 6D.