A draught of the Great Bay of Manilla, and harbour of Cavita, ca. 1 inch = 170 yards Folder 7 Unit ID: 132
[Base map of Philippine Islands marked up with outlines of provinces and major cities] Folder 2 Unit ID: 43
[Base map of the world showing paddy terrace distribution], 10.5cm = 4000 kilometres Folder 5 Unit ID: 106
[Base maps of North America, South America, Africa, and Asia including Australia] Folder 6 Unit ID: 129