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| Harold Gray |
|---|
| Year | Host/Site | Round |
|---|
| 1965 | Brownsburg | Sectional |
| 1966 | East Chicago | Sectional |
| 1967 | Hammond | Sectional |
| 1968 | Huntington North | Sectional |
| 1969 | Crown Point | Sectional |
| 1970 | DeKalb | Sectional |
| 1971 | Bellmont | Sectional |
| Columbus | Regional |
| 1972 | Michigan City | Sectional |
| Washington | Regional |
| 1973 | East Chicago | Sectional |
| Terre Haute | Regional |
| 1974 | New Castle | Sectional |
| Frankfort | Regional |
| 1975 | South Bend | Sectional |
| Seymour | Regional |
| 1976 | Benton Central | Sectional |
| Gary | Regional |
| 1977 | Gary | Sectional |
| Indianapolis | Regional |
| 1978 | Columbia City | Sectional |
| Columbus North | Regional |
| Evansville | Semistate |
| 1979 | Indianapolis | Sectional |
| Elkhart | Regional |
| 1980 | Michigan City | Sectional |
| Washington | Regional |
| 1981 | Valparaiso | Sectional |
| Anderson | Regional |
| 1982 | North Montgomery | Sectional |
| New Castle | Regional |
| 1983 | Fountain Central | Sectional |
| 1984 | Martinsville | Sectional |
| New Castle | Regional |
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