WARSAW, Mo. – The U.S. Army Corps of Engineers at the Harry S. Truman Project Office advises area residents that boundary line maintenance work will soon begin in the Roscoe, Osceola and outlying St. Clair County area. Arrowhead Starr Company from Arkansas has been awarded the contract for this work. Arrowhead Starr will treat 70 miles of the Harry S. Truman Project boundary starting in February with a planned completion date of March 31, 2018.