April 6, 2004 (TUESDAY) @ 9:32 AM. ARTHUR M. ANDERSON SAILING DOWNBOUND THE ST. CLAIR RIVER IN SARNIA.Data 2007 06 02.IMO/number : 5025691/Name of ship : ARTHUR M. ANDERSON/Call Sign : WE4805/Gross tonnage : 12341/Type of ship : Self-Discharging Bulk Carrier/Year of build : 1952/Flag : U.S.A./Status of ship : In Service/Last update : 2006-11-20/Registered owner GREAT LAKES FLEET 227, W 1st Street, Duluth MN UNITED STATES OF AMERICA/ISM Manager UNKNOWN/Ship manager KEYSTONE SHIPPING One, Bala Plaza, Bala-Cynwyd PA UNITED STATES OF AMERICA.