Map and astronomical charts are from Alexander Wetmore's time in South America 1920-1921, when working for the U.S. Department Agriculture, Bureau of Biological Survey. He was investigating the ...
SOUTH AMERICA (general): MAPS Atlas - Xpeditions - maps from National Geographic CIA World Factbook - see Country Profiles and Reference Maps Meatnpotatoes.com unusual name but good links to maps, ...
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