| Gramzow, Guy; ASC Soundings 11(1)1991 | ASC Soundings 11(1)1991 | 1991-00-00 | AMERICAN REPUBLIC | Third Mate |
| Gramzow, Guy; ASC Soundings 12(1) 1992 | ASC Soundings 12(1) 1992 | 1992-00-00 | AMERICAN MARINER | Third Mate |
| Gramzow, Guy; ASC Soundings 9(2)1989 | ASC Soundings 9(2)1989 | 1989-00-00 | NICOLET | Third Mate |
| Gramzow, Guy; ASC Soundinngs Apr 1990 | ASC Soundinngs Apr 1990 | 1990-00-00 | AMERICAN REPUBLIC | Third mate |
| Gramzow, Guy; pc Tom Geiger (1995 ASC Soundings); 1995 | pc Tom Geiger (1995 ASC Soundings) | 1995-00-00 | INDIANA HARBOR | Third Mate |
| Gramzow, Guy; Soundings July 1993 | Soundings July 1993 | 1993-00-00 | CHARLES E. WILSON | Third Mate |
| Gramzow, Guy; Soundings June-July 1994 | Soundings June-July 1994 | 1994-00-00 | CHARLES E. WILSON | Second Mate |
| Gramzow, Guy; Soundings Mar-Apr 1997 | Soundings Mar-Apr 1997 | 1997-00-00 | H. LEE WHITE | Third Mate |