D0021811D00218: NOS Hydrographic Survey , 2016-10-11 (ID: boundingGeographicBoundingBox) Coastal, navigationally significant waters of the United States of America, U.S. protectorates, and partner sovereign nations. at E: -81.4024, W: -81.5239, N: 31.1322, S: 31.1039#footprint-81.5239,31.1039 -81.4024,31.1039 -81.4024,31.1322 -81.5239,31.1322 -81.5239,31.1039