Shows Attu Island east to Unimak Island. Relief shown by hachures and spot heights; depths shown by soundings. "Shorelines from Gibson and Kuprianoff with corrections of positions and many details from observations by the party in charge of W.H....
Relief shown by hachures. Sheet title: Diagram of the range of the tides at Iliuliuk, Unalashka and of the coincident tidal observations showing the march of the tide from Akutan Pass to Iliuliuk, with a sketch of the region in which these and the...