H1017611H10176: NOS Hydrographic Survey , Seymour Canal, Alaska, 1985-05-17 (ID: boundingGeographicBoundingBox) Coastal, navigationally significant waters of the United States of America, U.S. protectorates, and partner sovereign nations. at E: -133.961867999762, W: -134.115623000121, N: 57.6818369995998, S: 57.6241569998355#footprint-134.115623000121,57.6241569998355 -133.961867999762,57.6241569998355 -133.961867999762,57.6818369995998 -134.115623000121,57.6818369995998 -134.115623000121,57.6241569998355