Philippines 1917

Relief shown by contours, hachures, and spot heights. Depths shown by gradient tints, soundings, and isolines ; Buoys shown in red, black, and white ; "Soundings in fathoms, heights in feet." ; Includes text, seal, and tables ; "No. 4219" -- upper left margin ; "Published at Washington, D.C. December, 1904." ; "Topography of eastern part of Sorsogon Bay surveyed in 1902. Remainder of chart from Spanish surveys to 1896."Color1:100,00