Duffield, John
| First Name | John |
|---|---|
| Last Name | Duffield |
Person Records
| Name | Source | Source Date | Vessel Name | Position |
|---|---|---|---|---|
| Duffield, John; Shamrock April 1980 | Shamrock April 1980 | 1980-00-00 | HOWARD F. ANDREWS | First Mate |
| Duffield, John; Shamrock April, 1979 | Shamrock April, 1979 | 1979-00-00 | GEORGE G. HENDERSON | First Mate |