| Hoffman, G. Monroe | | | E. A. S. CLARKE | Chief Engineer |
| Hoffman, G. Monroe | | | WALTER WATSON | Chief Engineer |
| Hoffman, G. Monroe; 1937 Blue Book; 1937 | 1937 Blue Book | 1937-00-00 | AUGUSTUS B. WOLVIN | Second Assistant |
| Hoffman, G. Monroe; 1956 Red Book; 1956 | 1956 Red Book | 1956-00-00 | CRETE | Chief Engineer |
| Hoffman, G. Monroe; 1957 Red Book; 1957 | 1957 Red Book | 1957-00-00 | JAY C. MORSE | Chief Engineer |
| Hoffman, G. Monroe; 1960 Red Book; 1960 | 1960 Red Book | 1960-00-00 | E. A. S. CLARKE | Chief Engineer |
| Hoffman, G. Monroe; 1962 Red Book; 1962 | 1962 Red Book | 1962-00-00 | SAMUEL MATHER | Chief Engineer |
| Hoffman, G. Monroe; 1964 Red Book; 1964 | 1964 Red Book | 1964-00-00 | HENRY G. DALTON | Chief Engineer |
| Hoffman, G. Monroe; 1965 Red Book; 1965 | 1965 Red Book | 1965-00-00 | FRANK ARMSTRONG | Chief Engineer |
| Hoffman, G. Monroe; 1966 Red Book; 1965 | 1966 Red Book | 1965-00-00 | FRANK ARMSTRONG | Chief Engineer |
| Hoffman, G. Monroe; 1967 Red Book; 1967 | 1967 Red Book | 1967-00-00 | FRANK ARMSTRONG | Chief Engineer |
| Hoffman, G. Monroe; 1968 Red Book; 1968 | 1968 Red Book | 1968-00-00 | J. L. MAUTHE | Chief Engineer |
| Hoffman, G. Monroe; Interlake Log May 1948 | Interlake Log May 1948 | 1948-00-00 | HENRY G. DALTON | First Assistant |
| Hoffman, G. Monroe; Interlake Log May 1948 | Interlake Log May 1948 | 1948-00-00 | HENRY G. DALTON | First Assistant |
| Hoffman, G. Monroe; Interlake Log May 1948 | Interlake Log May 1948 | 1948-00-00 | D. O. MILLS | First Assistant |
| Hoffman, G. Monroe; Interlake Log May 1950 | Interlake Log May 1950 | 1950-00-00 | SAMUEL MATHER | First Assistant |
| Hoffman, G. Monroe; Interlake Log May 1952 | Interlake Log May 1952 | 1952-00-00 | WILLIAM MCLAUCHLAN | First Assistant |
| Hoffman, G. Monroe; Interlake Log MidWin 1970 | Interlake Log MidWin 1970 | 1970-00-00 | J. L. MAUTHE | Chief Engineer |
| Hoffman, G. Monroe; Interlake Log November 1959 | Interlake Log November 1959 | 1959-00-00 | E. A. S. CLARKE | Chief Engineer |
| Hoffman, G. Monroe; Interlake Log Sept 1946 | Interlake Log Sept 1946 | 1946-00-00 | AMASA STONE | First Assistant |
| Hoffman, G. Monroe; Interlake Log Sept 1946 | Interlake Log Sept 1946 | 1946-00-00 | FRANK PURNELL | First Assistant |