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| Marion Acton |
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| Year | Host/Site | Round |
|---|
| 1956 | Bluffton | Sectional |
| 1957 | Syracuse | Sectional |
| 1958 | Indianapolis | Sectional |
| 1959 | Fort Wayne | Sectional |
| 1960 | Rushville | Sectional |
| 1961 | Southport | Sectional |
| 1962 | Indianapolis | Sectional |
| Elkhart | Regional |
| 1963 | South Bend | Sectional |
| Columbus | Regional |
| 1964 | Hammond | Sectional |
| Lafayette | Regional |
| 1965 | New Castle | Sectional |
| Indianapolis | Regional |
| 1966 | Zionsville | Sectional |
| East Chicago | Regional |
| 1967 | Lafayette | Sectional |
| Anderson | Regional |
| 1968 | East Chicago | Sectional |
| New Castle | Regional |
| Indianapolis | Semistate |
| 1969 | Fort Wayne (#1) | Sectional |
| Indianapolis | Regional |
| Lafayette | Semistate |
| 1970 | Indianapolis | Sectional |
| Columbus | Regional |
| Lafayette | Semistate |
| 1971 | Calumet | Sectional |
| Lafayette | Regional |
| Evansville | Semistate |
| Indianapolis | Finals |
| 1972 | Carmel | Sectional |
| Evansville | Semistate |
| Bloomington | Finals |
| 1973 | Hammond | Sectional |
| Anderson | Regional |
| Indianapolis | Semistate |
| 1974 | Anderson | Sectional |
| Fort Wayne | Regional |
| Indianapolis | Semistate |
| Bloomington | Finals |
| 1975 | Fort Wayne (#1) | Sectional |
| Indianapolis | Regional |
| Lafayette | Semistate |
| Indianapolis | Finals |
| 1976 | South Bend | Sectional |
| Columbus North | Regional |
| Lafayette | Semistate |
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