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The International Date Line
http://aa.usno.navy.mil/faq/docs/international_date.html

The Story of Longitude and Latitude
http://academic.brooklyn.cuny.edu/geology/leveson/core/linksa/latlong_menu.html

NASA on Longitude and Latitude
http://pwg.gsfc.nasa.gov/stargaze/Slatlong.htm
Latitude and Longitude Crossword Puzzle
http://www.nytimes.com/learning/teachers/xwords/19990501.html

National Geographic: Crack the Code
http://www.nationalgeographic.com/xpeditions/activities/01/crackcode.html

How Latitude Changed the World
http://www.ruf.rice.edu/~feegi/index.html

Posted by Mrs. Glenn