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How to purify your water. (n.d.). Retrieved September 24, 2015, from http://www.instructables.com/id/How-to-purify-your-water/
Issues on Water Resources. (2008). Retrieved September 24, 2015, from http://www.mlit.go.jp/tochimizushigen/mizsei/water_resources/contents/issues.html
Maps: Where the Japan earthquake and tsunami hit. (n.d.). Retrieved September 24, 2015, from http://www.ibnlive.com/news/india/maps-where-the-japan-earthquake-and-tsunami-hit-362831.html
Oskin, B. (2015, May 7). Japan Earthquake & Tsunami of 2011: Facts and Information. Retrieved September 24, 2015, from http://www.livescience.com/39110-japan-2011-earthquake-tsunami-facts.html
Tsunamis: Water Quality. (2013, August 13). Retrieved September 24, 2015, from http://emergency.cdc.gov/disasters/tsunamis/waterquality.asp
Tsunami Waves Reach Japan After Deadly Magnitude-8.3 Earthquake Rocks Chile. (2015, September 18). Retrieved September 24, 2015, from http://www.weather.com/news/news/chile-major-earthquake-tsunami-warning