Mount Vsevidof seen from near the OK Bay camp on Umnak Island. The boat is checking a radio-acoustic ranging sonobuouy, used to help position the C&GS Ship SURVEYOR while it is conducting offshore sounding operations.

Image ID: cgs01765, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Location: Alaska, Aleutian Islands, Umnak Island
Photo Date: 1939
Photographer: Woodrow Wilson Gholston


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