Mississippi Runoff Expands Gulf Dead Zone
source: http://newyork.ibtimes.com/articles/183243/20110725/gulf-dead-zone-mississippi-river-louisia...
During the past five years, the Gulf dead zone has averaged about 5,800 square miles and has been predicted to exceed 9,400 square miles this year. http://newyork.ibtimes.com/articles/183243/20110725/gulf-dead-zone-mississippi-r...