Credits to:
http://www.wisegeek.org/why-are-dams-potentially-harmful-to-fish.htm
http://dams-ethiopianism.blogspot.com/2015/01/ethiopia-dam-will-turn-lake-turkana.html
http://www.fao.org/docrep/004/y2785e/y2785e03.htm
https://www.nceas.ucsb.edu/featured/sabo
http://www.brighthubengineering.com/geotechnical-engineering/71200-negative-impacts-of-hydroelectric-dams/#imgn_0
https://www.youtube.com/watch?v=wlKZ8Ubx2rg
http://www.scientificamerican.com/article/how-do-dams-hurt-rivers/
http://www.fao.org/docrep/005/y3994e/y3994e0i.htm
http://www.fema.gov/benefits-dams
http://www.encyclopedia.com/topic/dam.aspx
http://www.kidzsearch.com/wiki/Levee
http://www.sciencekids.co.nz/sciencefacts/engineering/dams.html
http://education.nationalgeographic.com/encyclopedia/levee/
http://study.com/academy/lesson/what-are-floods-causes-types-prevention.html
http://www.thegreenbook.com/methods-used-to-control-floods.htm
http://citizensvoice.com/news/levees-work-for-those-behind-them-but-make-flooding-worse-for-others-1.1201108
http://eschooltoday.com/natural-disasters/floods/
http://science.howstuffworks.com/engineering/structural/levee.htm
http://www.jonathanfeicht.com/flood-control.html
http://www.thegreenbook.com/methods-used-to-control-floods.htm
https://www.floodsmart.gov/floodsmart/pages/flooding_flood_risks/levees.jsp
http://www2.epa.gov/natural-disasters
http://www.wisegeek.com/what-are-storm-drains.htm#didyouknowout
www.watersafetykids.co.uk/pdfs/flooding.pdf
http://www.jonathanfeicht.com/flood-control.html
http://eschooltoday.com/natural-disasters/floods/before-during-after-floods.html
https://kidskonnect.com/science/flood/
https://www.dosomething.org/facts/11-facts-about-floods
http://www.sciencekids.co.nz/sciencefacts/weather/floods.html
https://www.dosomething.org/facts/11-facts-about-hurricane-katrina
Houghton Mifflin Georgia 5th Grade Science Textbook
Floods by Michael Woods and Mary B. Woods. (Book from Library)
Floods by Graeme Davis.
Floods:be aware and prepare by Renée Gray-Wilburn
Surviving floods by Elizabeth Raum.