Title by cataloger. Ms. Relief shown by hachures and contours; depths shown by soundings. Oriented with north to the upper right. Drawn in pencil, with soundings marked in ink, on the back of a blank Coast Survey payroll...
Manuscript (photomechanical reproduction), mounted on linen. Selective relief shown by hachures; depths shown by soundings. Oriented with north to the upper right. Insets: Mouth of the Tchilkat River -- Bay of Woervodsky -- Bay of Etholine --...