Shows portion of Chiachi Island, located on SW tip of Alaska Peninsula near present-day Perryville. Relief shown by hachures and spot heights; depths shown by soundings. "From a survey by Act'g. Assist. W.H. Dall and party, 1874." "Issued July,...
Relief shown by hachures and depths shown by soundings. Components: Sketch of anchorage, Chiachi Islands, Alaska Peninsula, Alaska -- Sketch of Semidi Islands, Chirikof Island and Lighthouse Rocks, Alaska -- Falmouth Harbor, Nagai Island, Shumagin...