April 6, 2004 (TUESDAY) @ 9:59 AM. ROGER BLOUGH SAILING UPBOUND THE ST. CLAIR RIVER IN SARNIA. DATA 2007 06 12.IMO number : 7222138/Name of ship : ROGER BLOUGH/Call Sign : WZP8164/Gross tonnage : 22041/Type of ship : Self-Discharging Bulk Carrier/Year of build : 1972/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.