| Mulka, Leopold J. | | | IRVIN L. CLYMER | Chief Engineer |
| Mulka, Leopold J.; 1949 Blue Book; 1949 | 1949 Blue Book | 1949-00-00 | CARL D. BRADLEY | Second Assistant |
| Mulka, Leopold J.; 1962 Red Book; 1962 | 1962 Red Book | 1962-00-00 | ROGERS CITY | Chief Engineer |
| Mulka, Leopold J.; 1963 Red Book; 1963 | 1963 Red Book | 1963-00-00 | IRVIN L. CLYMER | Chief Engineer |
| Mulka, Leopold J.; 1964 Red Book; 1964 | 1964 Red Book | 1964-00-00 | IRVIN L. CLYMER | Chief Engineer |
| Mulka, Leopold J.; 1965 Red Book; 1965 | 1965 Red Book | 1965-00-00 | IRVIN L. CLYMER | Chief Engineer |
| Mulka, Leopold J.; 1966 Red Book; 1965 | 1966 Red Book | 1965-00-00 | IRVIN L. CLYMER | Chief Engineer |
| Mulka, Leopold J.; 1967 Red Book; 1967 | 1967 Red Book | 1967-00-00 | JOHN G. MUNSON | Chief Engineer |
| Mulka, Leopold J.; 1968 Red Book; 1968 | 1968 Red Book | 1968-00-00 | JOHN G. MUNSON | Chief Engineer |
| Mulka, Leopold J.; 1969 Red Book; 1969 | 1969 Red Book | 1969-00-00 | JOHN G. MUNSON | Chief Engineer |
| Mulka, Leopold J.; 1970 Red Book; 1970 | 1970 Red Book | 1970-00-00 | JOHN G. MUNSON | Chief Engineer |
| Mulka, Leopold J.; 1971 Red Book; 1971 | 1971 Red Book | 1971-00-00 | JOHN G. MUNSON | Chief Engineer |
| Mulka, Leopold J.; 8/48 Great Lakes Review; 1948 | 8/48 Great Lakes Review | 1948-00-00 | CALCITE | Second Assistant |