| Roberts, Louis G. | | | WILLIAM MCLAUGHLIN | Second Assistant |
| Roberts, Louis G. | | | JAMES R. BARKER | Chief Engineer |
| Roberts, Louis G.; 1971 Red Book; 1971 | 1971 Red Book | 1971-00-00 | WALTER E. WATSON | Chief Engineer |
| Roberts, Louis G.; 1973 Red Book; 1973 | 1973 Red Book | 1973-00-00 | E. G. GRACE | Chief Engineer |
| Roberts, Louis G.; 1974 Red Book; 1974 | 1974 Red Book | 1974-00-00 | E. G. GRACE | Chief Engineer |
| Roberts, Louis G.; 1975 Red Book; 1975 | 1975 Red Book | 1975-00-00 | CHARLES M. SCHWAB | Chief Engineer |
| Roberts, Louis G.; 1977 Red Book; 1977 | 1977 Red Book | 1977-00-00 | JAMES R. BARKER | Chief Engineer |
| Roberts, Louis G.; 1978 Red Book; 1978 | 1978 Red Book | 1978-00-00 | JAMES R. BARKER | Chief Engineer |
| Roberts, Louis G.; 1979 Red Book; 1979 | 1979 Red Book | 1979-00-00 | JAMES R. BARKER | Chief Engineer |
| Roberts, Louis G.; 1980 Red Book; 1980 | 1980 Red Book | 1980-00-00 | JAMES R. BARKER | Chief Engineer |
| Roberts, Louis G.; 1981 Red Book; 1981 | 1981 Red Book | 1981-00-00 | JAMES R. BARKER | Chief Engineer |
| Roberts, Louis G.; 1983 Red Book; 1983 | 1983 Red Book | 1983-00-00 | HERBERT C. JACKSON | Chief Engineer |
| Roberts, Louis G.; 1985 Red Book; 1985 | 1985 Red Book | 1985-00-00 | JAMES R. BARKER | Chief Engineer |
| Roberts, Louis G.; 1986 Red Book; 1986 | 1986 Red Book | 1986-00-00 | JAMES R. BARKER | Chief Engineer |
| Roberts, Louis G.; Interlake Log August 1950 | Interlake Log August 1950 | 1950-00-00 | HENRY G. DALTON | Third Assistant |
| Roberts, Louis G.; Interlake Log August 1950 | Interlake Log August 1950 | 1950-00-00 | CRETE | Second Assistant |
| Roberts, Louis G.; Interlake Log May 1952 | Interlake Log May 1952 | 1952-00-00 | D. O.MILLS | Second Assistant |
| Roberts, Louis G.; Interlake Log October-November 1951 | Interlake Log October-November 1951 | 1951-00-00 | JAY C. MORSE | Second Assistant |
| Roberts, Louis G.; Interlake Log October-November 1951 | Interlake Log October-November 1951 | 1951-00-00 | YOUNGSTOWN | Second Assistant |
| Roberts, Louis G.; Interlake Log Summer 1984 | Interlake Log Summer 1984 | 1984-00-00 | JAMES R. BARKER | Chief Engineer |
| Roberts, Louis G.; Interlake Log Winter 1978 | Interlake Log Winter 1978 | 1978-00-00 | JOHN SHERWIN | Oiler |
| Roberts, Louis G.; pc T. Drouillard | pc T. Drouillard | | ELTON HOYT II | Second Assistant |