Triangulation diagram showing near completion of triangulation of Philippines. Diagram produced in 1941
Image ID: theb3200, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection Photo Date: 1941 Credit: NOAA • 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 23, 2007
