| Gray, Charles; 1920 Red Book; 1920 | 1920 Red Book | 1920-00-00 | MAPLE GROVE | Chief Engineer |
| Gray, Charles; 1921 Red Book; 1921 | 1921 Red Book | 1921-00-00 | MAPLEBORO | Chief Engineer |
| Gray, Charles; 1922 Red Book; 1922 | 1922 Red Book | 1922-00-00 | CATARACT | Chief Engineer |
| Gray, Charles; 1924 Red Book; 1924 | 1924 Red Book | 1924-00-00 | CLINTON | Chief Engineer |
| Gray, Charles; 1925 Red Book; 1925 | 1925 Red Book | 1925-00-00 | CLINTON | Chief Engineer |
| Gray, Charles; 1927 Red Book; 1927 | 1927 Red Book | 1927-00-00 | BRICOLDOC | Chief Engineer |
| Gray, Charles; 1928 Red Book; 1928 | 1928 Red Book | 1928-00-00 | BRICOLDOC | Chief Engineer |
| Gray, Charles; 1929 Red Book; 1929 | 1929 Red Book | 1929-00-00 | NEWBRUNDOC | Chief Engineer |
| Gray, Charles; 1945 Red Book; 1945 | 1945 Red Book | 1945-00-00 | ACADIAN | Chief Engineer |
| Gray, Charles; 1946 Red Book; 1946 | 1946 Red Book | 1946-00-00 | ELGIN | Chief Engineer |
| Gray, Charles; 1947 Red Book; 1947 | 1947 Red Book | 1947-00-00 | ACADIAN | Chief Engineer |
| Gray, Charles; 1954 Red Book; 1954 | 1954 Red Book | 1954-00-00 | H. J. D. NO. 1 | Chief Engineer |