| Singler, Paul W. | | | WILLIAM G. MATHER | First Mate |
| Singler, Paul W.; Cliffs Assignments 9/18/73; 1973 | Cliffs Assignments 9/18/73 | 1973-00-00 | FRONTENAC | First Mate |
| Singler, Paul W.; Cliffs News Aug1974 | Cliffs News Aug1974 | 1974-00-00 | RICHARD H. REISS | First Mate |
| Singler, Paul W.; Cliffs News July 1978 | Cliffs News July 1978 | 1978-00-00 | WILLIAM G. MATHER | First Mate |
| Singler, Paul W.; Cliffs News Oct 1975 | Cliffs News Oct 1975 | 1975-00-00 | CHAMPLAIN | First Mate |
| Singler, Paul W.; Cliffs Officers Assignments 3/21/80; 1980 | Cliffs Officers Assignments 3/21/80 | 1980-00-00 | EDWARD B. GREENE | First Mate |
| Singler, Paul W.; Cliffs Officers Assignments 3/27/79; 1979 | Cliffs Officers Assignments 3/27/79 | 1979-00-00 | RAYMOND H. REISS | First Mate |
| Singler, Paul W.; Cliffs Officers Assignments 8/26/80; 1980 | Cliffs Officers Assignments 8/26/80 | 1980-00-00 | PONTIAC | First Mate |
| Singler, Paul W.; Cliffs Officers Assignments 8/8/78; 1978 | Cliffs Officers Assignments 8/8/78 | 1978-00-00 | CHAMPLAIN | Captain |
| Singler, Paul W.; Cliffs Officers Assignments 9/14/78; 1978 | Cliffs Officers Assignments 9/14/78 | 1978-00-00 | CADILLAC | Captain |
| Singler, Paul W.; Cliffs Vessel Officers 1972 fitout; 1972 | Cliffs Vessel Officers 1972 fitout | 1972-00-00 | WALTER A. STERLING | Second Mate |
| Singler, Paul W.; pc J. Clark | pc J. Clark | | CADILLAC | First Mate |