The Deepwater oil plume is over 20 miles long

io9.com — Today scientists revealed the results of an investigation into the severity of the Deepwater oil spill. The plume of petroleum hydrocarbon chemicals measures a staggering 22 miles long & has settled in a deep underwater layer. They were able to study the plume for ten days in June before Hurricane Alex forced them from the area. Aug 19, 2010 View in Crawl 4