Reuters: The U.S. Army Corps of Engineers will begin removing riverbed rock obstructions from the Mississippi River near Grand Tower, Illinois, on Tuesday night in the final phase of a project aimed at keeping the drought-hit shipping artery open to barge traffic.
The river will be closed to navigation daily from midnight until noon between Grand Tower and Thebes, Illinois, 31 miles downriver, where the Corps has been blasting and removing rock pinnacles since mid-December, the Corps said on Tuesday. ...