AMS 3. Alternate title: Palo.In upper left margin: Philippine city plans 1:5,000 (approx.). Polyconic projection. Projection and grid approximate. Copied from USC&GS Topographic Field Survey Sheet, 1:40,000, No. P76A, 1902; USC&GS Chart 4423, 1938, (Special printing 26, June 1942). Veritcal mosaic, 1:20,000, prior to 1940.