H0814511H08145: NOS Hydrographic Survey , Vicinity of Three Arm Islands, Alaska, 1954-08-20 (ID: boundingGeographicBoundingBox) Coastal, navigationally significant waters of the United States of America, U.S. protectorates, and partner sovereign nations. at E: -176.747595999683, W: -176.949648999992, N: 51.9797650000752, S: 51.8021109999775#footprint-176.949648999992,51.8021109999775 -176.747595999683,51.8021109999775 -176.747595999683,51.9797650000752 -176.949648999992,51.9797650000752 -176.949648999992,51.8021109999775