Daymark indicating keep aid to port when returning from sea.
Image ID: cgs01843, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection • 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