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ROSBERG, JOSEPH D
Minnesota (Duluth) - Boiler - 1 St Class A Engineer
Issued -
ROSS, DEAN F
Minnesota (Duluth) - Boiler - 1 St Class B Engineer
Issued -
ROLAND, DEAN P
Minnesota (Duluth) - Boiler - 1 St Class C Engineer
Issued -
ROSAS, DOUGLAS J
Minnesota (Duluth) - Boiler - 2 Nd Class B Engineer
Expired -
ROSERA, BRIAN P
Minnesota (Duluth) - Boiler - 2 Nd Class B Engineer
Issued -
REVAK, GUY B
Minnesota (Duluth) - Boiler - 2 Nd Class C Engineer
Expired -
REILLY, DANIEL R
Minnesota (Duluth) - Boiler - Chief A Engineer
Issued -
ROBINSON, WILLIAM J
Minnesota (Duluth) - Boiler - Chief B Engineer
Expired -
REMINGTON, JOHN A
Minnesota (Duluth) - Boiler - Chief C Engineer
Issued -
RUDD, RANDY G
Minnesota (Duluth) - Boiler - Chief C Engineer
Issued -
ROSBERG, JOSEPH D
Minnesota (Duluth) - Boiler - 2 Nd Class A Engineer
Expired