Building a 100-foot tall hydrographic signal
Image ID: theb2189, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection Credit: Captain Hubert A. Paton, C&GS Category: Charting/Navigation/Visual Signals/Wooden/ • High Resolution Photo Available
Publication of the U.S. Department of Commerce, National Oceanic & Atmospheric Adminstration (NOAA), NOAA Central Library NOAA Privacy Policy | NOAA Disclaimer Last Updated: April 30, 2013