Lt. Commander James D. Thurmond taking a horizontal sextant angle during
hydrographic surveying operations. Thurmond was the officer in charge of the OK
Bay survey camp.
Image ID: cgs01764, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Location: Alaska, Aleutian Islands, Umnak Island
Photo Date: 1939
Photographer: Woodrow Wilson Gholston
• High Resolution Photo Available