| Keeler, Charles B.; Mansfield, 1899 | Mansfield, 1899 | 1899-00-00 | JOHN NICE | Chief Engineer |
| Keeler, Charles B.; Mansfield, 1899 | Mansfield, 1899 | 1899-00-00 | IDA BURTON | Chief Engineer |
| Keeler, Charles B.; Mansfield, 1899 | Mansfield, 1899 | 1899-00-00 | B. W. MINTER | engineer |
| Keeler, Charles B.; Mansfield, 1899 | Mansfield, 1899 | 1899-00-00 | GEORGE K. HAND | Chief Engineer |
| Keeler, Charles B.; Mansfield, 1899 | Mansfield, 1899 | 1899-00-00 | NASHUA | Chief Engineer |
| Keeler, Charles B.; Mansfield, 1899 | Mansfield, 1899 | 1899-00-00 | JOHN HAND | Chief Engineer |
| Keeler, Charles B.; Mansfield, 1899 | Mansfield, 1899 | 1899-00-00 | NIAGARA | Chief Engineer |
| Keeler, Charles B.; Mansfield, 1899 | Mansfield, 1899 | 1899-00-00 | CITY OF LONDON | First Assistant |
| Keeler, Charles B.; Mansfield, 1899 | Mansfield, 1899 | 1899-00-00 | ADAMS | Chief Engineer |
| Keeler, Charles B.; Mansfield, 1899 | Mansfield, 1899 | 1899-00-00 | ADAMS | Chief Engineer |
| Keeler, Charles B.; Mansfield, 1899 | Mansfield, 1899 | 1899-00-00 | ADAMS | Chief Engineer |
| Keeler, Charles B.; Mansfield, 1899 | Mansfield, 1899 | 1899-00-00 | ADAMS | Chief Engineer |
| Keeler, Charles B.; Mansfield, 1899 | Mansfield, 1899 | 1899-00-00 | R. G. STEWART | Chief Engineer |
| Keeler, Charles B.; Mansfield, 1899 | Mansfield, 1899 | 1899-00-00 | T. K. SCOTT | Chief Engineer |
| Keeler, Charles B.; Mansfield, 1899 | Mansfield, 1899 | 1899-00-00 | MARK HOPKINS | Chief Engineer |