"A bridge over the Gai [Lai] River", probably near Minyamp junction, 20 March 1938 Box 4 Unit ID: 23 Date: 20 March 1938
"A Bridge over the Gai River near Wabag", 7 December 1938. The Ambum Valley, not the Lai (+ 1938 copy 3a.) Box 3 Unit ID: 3