| Benson, Perry E.; 1949 Red Book; 1949 | 1949 Red Book | 1949-00-00 | ODANAH | Chief Engineer |
| Benson, Perry E.; 1953 Red Book; 1953 | 1953 Red Book | 1953-00-00 | COLONEL JAMES PICKANDS | Chief Engineer |
| Benson, Perry E.; 1954 Red Book; 1954 | 1954 Red Book | 1954-00-00 | CALUMET | Chief Engineer |
| Benson, Perry E.; 1955 Red Book; 1955 | 1955 Red Book | 1955-00-00 | J. A. CAMPBELL | Chief Engineer |
| Benson, Perry E.; 1956 Red Book; 1956 | 1956 Red Book | 1956-00-00 | J. A. CAMPBELL | Chief Engineer |
| Benson, Perry E.; 1957 Red Book; 1957 | 1957 Red Book | 1957-00-00 | J. A. CAMPBELL | Chief Engineer |
| Benson, Perry E.; 1958 Red Book; 1958 | 1958 Red Book | 1958-00-00 | HENRY G. DALTON | Chief Engineer |
| Benson, Perry E.; 1960 Red Book; 1960 | 1960 Red Book | 1960-00-00 | FRANK ARMSTRONG | Chief Engineer |
| Benson, Perry E.; Interlake Log July 1961 | Interlake Log July 1961 | 1961-00-00 | HARVEY BROWN | Second Assistant |
| Benson, Perry E.; Interlake Log July 1961 | Interlake Log July 1961 | 1961-00-00 | | Second Assistant |
| Benson, Perry E.; Interlake Log July 1961 | Interlake Log July 1961 | 1961-00-00 | WILLIAM B. DAVOCK | First Assistant |
| Benson, Perry E.; Interlake Log July 1961 | Interlake Log July 1961 | 1961-00-00 | | First Assistant |
| Benson, Perry E.; Interlake Log July 1961 | Interlake Log July 1961 | 1961-00-00 | ODANAH | Chief Engineer |
| Benson, Perry E.; Interlake Log July 1961 | Interlake Log July 1961 | 1961-00-00 | J. L. MAUTHE | Chief Engineer |
| Benson, Perry E.; Interlake Log May 1950 | Interlake Log May 1950 | 1950-00-00 | JOSEPH SELLWOOD | Chief Engineer |
| Benson, Perry E.; Interlake Log November 1959 | Interlake Log November 1959 | 1959-00-00 | HENRY G. DALTON | Chief Engineer |
| Benson, Perry E.; Interlake Log October-November 1951 | Interlake Log October-November 1951 | 1951-00-00 | JAY C. MORSE | Chief Engineer |
| Benson, Perry E.; Interlake Log October-November 1951 | Interlake Log October-November 1951 | 1951-00-00 | JOSEPH SELLWOOD | Chief Engineer |
| Benson, Perry E.; Interlake Log, 1952 | Interlake Log, 1952 | 1952-00-00 | JAY C. MORSE | Chief Engineer |