News
07-11-2007, 03:31 PM
Flushing ballast tanks with seawater before entering the Great Lakes could help protect against invasive species until more effective methods are developed.
More... (http://www.freep.com/apps/pbcs.dll/article?AID=/20070711/NEWS06/707110419/1008)
More... (http://www.freep.com/apps/pbcs.dll/article?AID=/20070711/NEWS06/707110419/1008)