H1022811H10228: NOS Hydrographic Survey , Seymour Canal, Alaska, 1986-11-04 (ID: boundingGeographicBoundingBox) Coastal, navigationally significant waters of the United States of America, U.S. protectorates, and partner sovereign nations. at E: -134.238402999871, W: -134.355935999804, N: 57.9986380003656, S: 57.9141540001728#footprint-134.355935999804,57.9141540001728 -134.238402999871,57.9141540001728 -134.238402999871,57.9986380003656 -134.355935999804,57.9986380003656 -134.355935999804,57.9141540001728