H1212111H12121: NOS Hydrographic Survey , Louisiana Coast, Louisiana, 2010-04-02 (ID: boundingGeographicBoundingBox) Coastal, navigationally significant waters of the United States of America, U.S. protectorates, and partner sovereign nations. at E: -90.8718840001291, W: -91.022320000215, N: 28.8461660000693, S: 28.6601259999977#footprint-91.022320000215,28.6601259999977 -90.8718840001291,28.6601259999977 -90.8718840001291,28.8461660000693 -91.022320000215,28.8461660000693 -91.022320000215,28.6601259999977