Past Proceedings
| 1963 Nevada, MO |
| 1965 Warroad, MN |
| 1969 Woodward, OK |
| 1971 Dickinson, ND |
| 1973 Lamar, CO |
| 1975 Victoria, TX |
| 1977 Pierre, SD |
| 1979 Wisconsin Rapids, WI |
| 1981 Halsey, NE |
| 1983 Emporia, KS |
| 1985 Sedalia, MO |
| 1987 Crookston, MN |
| 1989 Escanaba, MI |
| 1993 Ft. Collins, CO |
| 1991 Billings, MT |
| 1995 Medora, ND |
| 1998 College Station, TX |
| 1999 Gimli, Manitoba |
| 2001 Wooward, OK |
| 2003 Siren, WI |
| 2005 Valentine, NE |
| 2007 Chamberlain, SD |
| 2009 Portales, NM |
| 2011 Hayes, KS |
| 2013 Crookston, MN |
| 2015 Nevada, MO |
| 2017 Dickinson, ND |
| 2019 Bartlesville, OK |
| 2022 Lewistown, MT |