| Bruning, Erhardt J.; 1952 Red Book; 1952 | 1952 Red Book | 1952-00-00 | ROGERS CITY | Chief Engineer |
| Bruning, Erhardt J.; 1953 Red Book; 1953 | 1953 Red Book | 1953-00-00 | ROGERS CITY | Chief Engineer |
| Bruning, Erhardt J.; 1954 Red Book; 1954 | 1954 Red Book | 1954-00-00 | ROGERS CITY | Chief Engineer |
| Bruning, Erhardt J.; 1955 Red Book; 1955 | 1955 Red Book | 1955-00-00 | ROGERS CITY | Chief Engineer |
| Bruning, Erhardt J.; 1956 Red Book; 1956 | 1956 Red Book | 1956-00-00 | ROGERS CITY | Chief Engineer |
| Bruning, Erhardt J.; 1957 Red Book; 1957 | 1957 Red Book | 1957-00-00 | LIMESTONE | Chief Engineer |
| Bruning, Erhardt J.; 1958 Red Book; 1958 | 1958 Red Book | 1958-00-00 | LIMESTONE | Chief Engineer |
| Bruning, Erhardt J.; 1959 Red Book; 1959 | 1959 Red Book | 1959-00-00 | LIMESTONE | Chief Engineer |
| Bruning, Erhardt J.; 1960 Red Book; 1960 | 1960 Red Book | 1960-00-00 | LIMESTONE | Chief Engineer |
| Bruning, Erhardt J.; 1961 Red Book; 1961 | 1961 Red Book | 1961-00-00 | LIMESTONE | Chief Engineer |
| Bruning, Erhardt J.; 1962 Red Book; 1962 | 1962 Red Book | 1962-00-00 | LIMESTONE | Chief Engineer |
| Bruning, Erhardt J.; 1963 Red Book; 1963 | 1963 Red Book | 1963-00-00 | LIMESTONE | Chief Engineer |
| Bruning, Erhardt J.; 1964 Red Book; 1964 | 1964 Red Book | 1964-00-00 | LIMESTONE | Chief Engineer |
| Bruning, Erhardt J.; 1965 Red Book; 1965 | 1965 Red Book | 1965-00-00 | LIMESTONE | Chief Engineer |
| Bruning, Erhardt J.; 1966 Red Book; 1965 | 1966 Red Book | 1965-00-00 | LIMESTONE | Chief Engineer |
| Bruning, Erhardt J.; 1967 Red Book; 1967 | 1967 Red Book | 1967-00-00 | LIMESTONE | Chief Engineer |
| Bruning, Erhardt J.; 1968 Red Book; 1968 | 1968 Red Book | 1968-00-00 | LIMESTONE | Chief Engineer |
| Bruning, Erhardt J.; LCA Bulletin 5/48; 1948 | LCA Bulletin 5/48 | 1948-00-00 | | Oiler |