H1027311H10273: NOS Hydrographic Survey , Southern Alaska Peninsula, 1988-08-25 (ID: boundingGeographicBoundingBox) Coastal, navigationally significant waters of the United States of America, U.S. protectorates, and partner sovereign nations. at E: -156.524810000173, W: -156.682692000195, N: 57.0042860002281, S: 56.9474859996572#footprint-156.682692000195,56.9474859996572 -156.524810000173,56.9474859996572 -156.524810000173,57.0042860002281 -156.682692000195,57.0042860002281 -156.682692000195,56.9474859996572