United States, Alaska--Aleutian Islands, Umnak Island, Inanudak and Nikolski Bays / Coast Survey.
Depths shown by isolines and soundings. Relief shown by contours, hachures and spot heights. Shipping list no.: 2004-0029-S. "Soundings in fathoms." Inset: River and Mueller Coves. Scale 1:10,000. Includes tidal information.
- U.S. Dept. of Commerce, NOAA, NOS, Coast Survey ;
- Held by
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