Relief shown pictorially and by hachures. Depths shown by soundings. Pen-and-ink. Covers Gulf of Alaska region. Sheets numbered 4-6. Insets: A survey of Port Chatham -- A survey of Port Chalmers -- Entrance into Cross Sound -- A survey of Port Conclusion -- A survey of Port Protection. On verso of sheet 5, annotated in black ink: Capt James M Willis 1852. Available also through the Library of Congress Web site as a raster image. Vault Acquisitions control no. 66-83
Willis, James M.
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