H1230611H12306: NOS Hydrographic Survey , Approaches to Chesapeake Bay, Virginia, 2011-04-07 (ID: boundingGeographicBoundingBox) Coastal, navigationally significant waters of the United States of America, U.S. protectorates, and partner sovereign nations. at E: -75.4998159996075, W: -75.6704329997275, N: 36.6699270004512, S: 36.5982429996999#footprint-75.6704329997275,36.5982429996999 -75.4998159996075,36.5982429996999 -75.4998159996075,36.6699270004512 -75.6704329997275,36.6699270004512 -75.6704329997275,36.5982429996999