Tower with signal flag at Station Bint.At Bihintinusa Island off the south coast of Basilan.Built by crew off the MARINDUQUE
3/18/2019 3:06:43 PM
Date: 1924
Credit: Family of Captain George L. Anderson, C&GS;
Location: Philippine Islands
Subject: Geodesy
Subject: Triangulation
Subject: Towers
Subject: Wooden