H0821411H08214: NOS Hydrographic Survey , Naval Engineering Experiment Station, Maryland, 1956-04-12 (ID: boundingGeographicBoundingBox) Coastal, navigationally significant waters of the United States of America, U.S. protectorates, and partner sovereign nations. at E: -76.4569199998577, W: -76.4814430002946, N: 38.9882370002374, S: 38.9755250003785#footprint-76.4814430002946,38.9755250003785 -76.4569199998577,38.9755250003785 -76.4569199998577,38.9882370002374 -76.4814430002946,38.9882370002374 -76.4814430002946,38.9755250003785