H0828011H08280: NOS Hydrographic Survey , Smith Point to Mob Neck, Potomac River, Maryland-Virginia, 1955-09-14 (ID: boundingGeographicBoundingBox) Coastal, navigationally significant waters of the United States of America, U.S. protectorates, and partner sovereign nations. at E: -76.0316249995018, W: -76.2488470005614, N: 37.8886479998144, S: 37.7579249996983#footprint-76.2488470005614,37.7579249996983 -76.0316249995018,37.7579249996983 -76.0316249995018,37.8886479998144 -76.2488470005614,37.8886479998144 -76.2488470005614,37.7579249996983