| Cowan, George M.; Mansfield 1899 | Mansfield 1899 | 1899-00-00 | LAC LABELLE | engineer |
| Cowan, George M.; Mansfield 1899 | Mansfield 1899 | 1899-00-00 | IRONSIDES | engineer |
| Cowan, George M.; Mansfield 1899 | Mansfield 1899 | 1899-00-00 | LAC LABELLE | engineer |
| Cowan, George M.; Mansfield 1899 | Mansfield 1899 | 1899-00-00 | MINNEAPOLIS | engineer |
| Cowan, George M.; Mansfield 1899 | Mansfield 1899 | 1899-00-00 | MINNEAPOLIS | engineer |
| Cowan, George M.; Mansfield 1899 | Mansfield 1899 | 1899-00-00 | MINNEAPOLIS | engineer |
| Cowan, George M.; Mansfield 1899 | Mansfield 1899 | 1899-00-00 | FLORA | engineer |
| Cowan, George M.; Mansfield 1899 | Mansfield 1899 | 1899-00-00 | MINNEAPOLIS | engineer |
| Cowan, George M.; Mansfield 1899 | Mansfield 1899 | 1899-00-00 | CHICAGO | Chief Engineer |
| Cowan, George M.; Mansfield 1899 | Mansfield 1899 | 1899-00-00 | CHICAGO | Chief Engineer |
| Cowan, George M.; Mansfield 1899 | Mansfield 1899 | 1899-00-00 | DE PERE | Chief Engineer |
| Cowan, George M.; Mansfield 1899 | Mansfield 1899 | 1899-00-00 | MICHIGAN | Chief Engineer |
| Cowan, George M.; Mansfield 1899 | Mansfield 1899 | 1899-00-00 | MICHIGAN | Chief Engineer |
| Cowan, George M.; Mansfield 1899 | Mansfield 1899 | 1899-00-00 | MICHIGAN | Chief Engineer |
| Cowan, George M.; Mansfield 1899 | Mansfield 1899 | 1899-00-00 | MICHIGAN | Chief Engineer |
| Cowan, George M.; Mansfield, 1899 | Mansfield, 1899 | 1899-00-00 | MESSENGER | First Assistant |