Carleton owns two types of maps created by Imperial Japan in the twentieth century: Gaihōzu 外邦図 and Naihōzu 内邦図. Gaihōzu are the maps of foreign lands. Naihōzu are the maps of mainland Japan. They were both produced by Imperial Japan in the second half of the nineteenth century and the first half of the twentieth century.  Shortly after Japan surrendered at the end of World War II, these maps were captured by the Allied forces, and sent back to the Army Map Service (AMS) of the United States. The AMS then distributed these maps to thirty-five libraries in the U.S., including our Gould Library. Carleton has approximately 1,280 sheets of Gaihōzu.