H0813911H08139: NOS Hydrographic Survey , Vicinity of Three Arm Islands, Alaska, 1954-08-21 (ID: boundingGeographicBoundingBox) Coastal, navigationally significant waters of the United States of America, U.S. protectorates, and partner sovereign nations. at E: -176.725566995083, W: -177.253052003919, N: 52.0719250035255, S: 51.5910719983346#footprint-177.253052003919,51.5910719983346 -176.725566995083,51.5910719983346 -176.725566995083,52.0719250035255 -177.253052003919,52.0719250035255 -177.253052003919,51.5910719983346