| Wetzel, Frank; 1928 Red Book; 1928 | 1928 Red Book | 1928-00-00 | JOE S. MORROW | Chief Engineer |
| Wetzel, Frank; 1929 Red Book; 1929 | 1929 Red Book | 1929-00-00 | JOE S. MORROW | Chief Engineer |
| Wetzel, Frank; 1932 Red Book; 1932 | 1932 Red Book | 1932-00-00 | SIR THOMAS SHAUGNASSEY | Chief Engineer |
| Wetzel, Frank; 1933 Red Book; 1933 | 1933 Red Book | 1933-00-00 | SIR THOMAS SHAUGHNESSY | Chief Engineer |
| Wetzel, Frank; 1938 Red Book; 1938 | 1938 Red Book | 1938-00-00 | LAKE CHELAN | Chief Engineer |
| Wetzel, Frank; 1939 Red Book; 1939 | 1939 Red Book | 1939-00-00 | LAKE CHELAN | Chief Engineer |
| Wetzel, Frank; 1940 Red Book; 1940 | 1940 Red Book | 1940-00-00 | LAKE CHELAN | Chief Engineer |
| Wetzel, Frank; 1941 Red Book; 1941 | 1941 Red Book | 1941-00-00 | JOHN J. O'HAGAN | Chief Engineer |