The making of a plane-table survey in Philippine mangrove swamps. These waters were frequented by salt-water crocodiles necessitating a constant lookout . This party was off the C&GS Steamer FATHOMER during the field season of 1915-1916.
Image ID: cgs00483, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection Location: Philippine Islands • High Resolution Photo Available
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