H1223911H12239: NOS Hydrographic Survey , Central Chesapeake Bay, Maryland, 2010-10-18 (ID: boundingGeographicBoundingBox) Coastal, navigationally significant waters of the United States of America, U.S. protectorates, and partner sovereign nations. at E: -76.193, W: -76.2618, N: 38.1279, S: 37.9865#footprint-76.2618,37.9865 -76.193,37.9865 -76.193,38.1279 -76.2618,38.1279 -76.2618,37.9865