There was an article in the July 4 Des Moines Register about the Hyperion Refinery, proposed for southeast South Dakota, and its potential impact on Iowa and Iowans. Thanks to Jim Redmond for his work on this!
http://www.desmoinesregister.com/apps/pbcs.dll/article?AID=20107040332
Planned oil refinery raises safety fears
By Perry Beeman
Jane Clark