| Duffy, Frank; 1925 Red Book; 1925 | 1925 Red Book | 1925-00-00 | OTTO M. REISS | Chief Engineer |
| Duffy, Frank; 1926 Red Book | 1926 Red Book | | J. S. DUNHAM | Chief Engineer |
| Duffy, Frank; 1927 Red Book; 1927 | 1927 Red Book | 1927-00-00 | LINFORD E. GEER | Chief Engineer |
| Duffy, Frank; 1928 Red Book; 1928 | 1928 Red Book | 1928-00-00 | LINFORD E. GEER | Chief Engineer |
| Duffy, Frank; 1930 Red Book; 1930 | 1930 Red Book | 1930-00-00 | JOHN A. KLING | Chief Engineer |
| Duffy, Frank; 1934 Red Book; 1934 | 1934 Red Book | 1934-00-00 | JOHN A. KLING | Chief Engineer |
| Duffy, Frank; 1935 Red Book; 1935 | 1935 Red Book | 1935-00-00 | JOHN A. KLING | Chief Engineer |