| Chapin, Elmer E.; 1920 Red Book; 1920 | 1920 Red Book | 1920-00-00 | FRANKLIN | Chief Engineer |
| Chapin, Elmer E.; 1920 Red Book; 1920 | 1920 Red Book | 1920-00-00 | LORAINNE | Chief Engineer |
| Chapin, Elmer E.; 1922 Red Book; 1922 | 1922 Red Book | 1922-00-00 | CARLOTTA | Chief Engineer |
| Chapin, Elmer E.; 1923 Red Book; 1923 | 1923 Red Book | 1923-00-00 | BENJAMIN L. COWLES | Chief Engineer |
| Chapin, Elmer E.; 1924 Red Book; 1924 | 1924 Red Book | 1924-00-00 | BENJAMIN L. COWLES | Chief Engineer |
| Chapin, Elmer E.; 1925 Red Book; 1925 | 1925 Red Book | 1925-00-00 | BENJAMIN L. COWLES | Chief Engineer |
| Chapin, Elmer E.; 1926 Red Book | 1926 Red Book | | BENJAMIN L. COWLES | Chief Engineer |
| Chapin, Elmer E.; 1929 Red Book; 1929 | 1929 Red Book | 1929-00-00 | BENJAMIN L. COWLES | Chief Engineer |