AMS 2. Alternate title: Calbayog. In upper left margin : Philippine city plans 1:5,000 (approx.). Polyconic projection.Projection ticks approximate. Relief shown by form lines.Complied from Calbayog 1:3,600, 1901; Calbayog, Samar, U.S. Navy, 1:2,400, 1939; US&GS Topographic Field Survey Sheet P985, 1:20,000, 1912; controlled mosaic 1:20,000, prior to 1940.