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"Could Drought Have Caused Maya Downfall"
http://indiancountrytodaymedianetwork.com/mobile/gallery/photo/could-drought-have-causedmayandownfall/99779
Climatechange.thinkaboutit.eu
Extreme Makeover. By: Miller, Mary, Archaeology, 00038133, Jan/Feb2009, Vol.62, Issue 1
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Minister, Christopher. "Ancient Maya Economy and Trade." About.com Latin American History. Http://latinamericanhistory.about.com/bio/Christopher-Minister-37117.htm, n.d. Web. 14 Feb. 2014.
Pappas, Stephanie. "Killer Drought Thwarted Mayan Comeback" Nov. 8, 2012. web
www.livescience.com/24646-the-killer-drought-thwarted-maya-comeback
Parry, Wynne
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ZORICH, ZACH. "The Maya Sense Of Time.. (Cover Story)." Archaeology65.6 (2012): 25-29. History Reference Center. Web. 14 Feb. 2014.
Canadian Museum of History, n.d. web.
"Could Drought Have Caused Maya Downfall"
http://indiancountrytodaymedianetwork.com/mobile/gallery/photo/could-drought-have-causedmayandownfall/99779
Climatechange.thinkaboutit.eu
Extreme Makeover. By: Miller, Mary, Archaeology, 00038133, Jan/Feb2009, Vol.62, Issue 1
Indians.org
Kellen, Stuart. The Mayans. N.p.N.d.
Libassi, Paul T. "Observatories Without Telescopes." Sciences 16.2 (1976): 11. Academic Search Premier. Web. 10 Feb. 2014.
Library.thinkqust.org
"Maya Deforestation And Drought" Feb 1, 2012 http://m.earthobservatory.nasa.gov/IOTD/view.php?id=77060
"Maya Mathematics"N.p. N.d. 28 Jan. 2014
Mexicanhistory.org/maya.htm
Minister, Christopher. "Ancient Maya Economy and Trade." About.com Latin American History. Http://latinamericanhistory.about.com/bio/Christopher-Minister-37117.htm, n.d. Web. 14 Feb. 2014.
Pappas, Stephanie. "Killer Drought Thwarted Mayan Comeback" Nov. 8, 2012. web
www.livescience.com/24646-the-killer-drought-thwarted-maya-comeback
Parry, Wynne
huffingtonpost.com/2012/08/22/maya-collapse-drought-climate-change_n_1821526.html
www.personal.psu.edu
UC Davis, "Extreme Weather proceeded Collapse of Mayan Civilization". Nov 8, 2012 UC Davis.web. http://www.sciencedaily.com/releases/2012/11/121108142750.htm
ZORICH, ZACH. "The Maya Sense Of Time.. (Cover Story)." Archaeology65.6 (2012): 25-29. History Reference Center. Web. 14 Feb. 2014.