Taking the sounding when the leadline is vertical. Sounding chair extended from top of deckhouse. See image theb2128. Sounding taken off C&GS Ship WESTDAHL.
Image ID: cgs00621, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection Location: Alaska, Southeast Photo Date: 1936 ca. Credit: NOAA Central Library Historical Imagery • High Resolution Photo Available
Publication of the U.S. Department of Commerce, National Oceanic & Atmospheric Administration (NOAA), NOAA Central Library NOAA Privacy Policy | NOAA Disclaimer Last Updated: September 30, 2009