These maps from Xpeditions, used with the permission of the National Geographic Society, may be opened in graphics interchange format (gif) or in portable document
format (pdf). If you choose to download them in gif, they can be used in multimedia
presentations or for studying on the computer screen. To open pdf files you must have
Adobe Acrobat reader (available from the Adobe website)
installed on your computer. This is a read-only format and is excellent for making print
copies to pass out to your students.
After viewing a map, use the Back button in your browser to return to the page you came from.