| No. | Year | Location | Hosts |
| 64th | 2006 | Topeka KS | Robert Hoard, Mary Adair and Margaret Wood |
| 63rd | 2005 | Edmonton AB | John W. (Jack) Ives, Archaeological Survey of Alberta |
| 62nd | 2004 | Billings MT | Ethnoscience, Inc., Bureau of Indian Affairs, Bureau of Reclamation, Bureau of Land Management, and the US Forest Service |
| 61st | 2003 | Fayetteville AR | Marvin Kay, Kenneth Kvamme, JoAnn Kvamme |
| 60th | 2002 | Oklahoma City OK | K. Buehler, R. Drass, M. Duncan |
| 59th | 2001 | Lincoln NE | P. Bleed, R. Bozell, T. Thiessen, L. Wansnider |
| 58th | 2000 | St. Paul MN | S. Anfinson, M. Dudzik (co-chairs) |
| 57th | 1999 | Sioux Falls SD | L. A. Hannus, R.P. Winham |
| 56th |
1998 |
Bismarck ND |
F. Swenson, F. Schneider |
| 55th |
1997 |
Boulder CO |
D. Bamforth |
| 54th |
1996 |
Iowa City IA |
W. Green |
| 53rd |
1995 |
Laramie WY |
J. Francis, M.J. Kornfeld, M.L. Larson, M.E. Miller, C.A. Reher |
| 52nd |
1994 |
Lubbock TX |
E. Johnson |
| 51st |
1993 |
Saskatoon SK |
H. Epp, Z. Pohorecky |
| 50th |
1992 |
Lincoln NE |
F.A. Calabrese, P. Bleed, J. R. Bozell |
| 49th |
1991 |
Lawrence KS |
W.B. Lees, M.J. Adair |
| 48th |
1990 |
Oklahoma City OK |
S.C. Vehik, M.W. Foster, J. L. Hofman |
| 47th |
1989 |
Sioux Falls SD |
L.A. Hannus, R. P. Winham |
| 46th |
1988 |
Wichita KS |
D.J. Blakeslee |
| 45th |
1987 |
Columbia MO |
W.R. Wood, T.J. Majewski |
| 44th |
1986 |
Denver CO |
A. Johnson, W. Tate |
| 43rd |
1985 |
Iowa City IA |
D. Anderson |
| 42nd |
1984 |
Lincoln NE |
F.A. Calabrese |
| 41st |
1983 |
Rapid City SD |
L.J. Zimmerman, R. Alex |
| 40th |
1982 |
Calgary AB |
R.G. Forbis |
| 39th |
1981 |
Bismarck ND |
L.L. Loendorf |
| 38th |
1980 |
Iowa City IA |
D.C. Anderson |
| 37th |
1979 |
Kansas City MO |
F.A. Calabrese, A.E. Johnson, W.R. Wood |
| 36th |
1978 |
Denver CO |
I.K. Hagar, B.E. Rippeteau |
| 35th |
1977 |
Lincoln NE |
C.R. Falk |
| 34th |
1976 |
Minneapolis MN |
A.W. Woolworth |
| 33rd |
1975 |
Lincoln NE |
F.A. Calabrese |
| 32nd |
1974 |
Laramie WY |
G.C. Frison, G. Ziemans, S. Ziemans |
| 31st |
1973 |
Columbia MO |
D.R. Evans |
| 30th |
1972 |
Lincoln NE |
D.R. Henning |
| 29th |
1971 |
Winnipeg MB |
W.M. Hlady |
| 28th |
1970 |
Tulsa OK | W.F. Weakly |
| 27th |
1969 |
Lawrence KS |
A.E. Johnson |
| 26th |
1968 |
Lincoln NE |
P. Holder |
| 25th |
1967 |
St. Paul MN |
E. Johnson |
| 24th |
1966 |
Lincoln NE |
T.F. Kehoe |
| 23rd |
1965 |
Topeka KS |
T.A. Witty, Jr. |
| 22nd |
1964 |
Lincoln NE |
W.W. Caldwell |
| 21st |
1963 |
Ft. Burgwin NM |
P. Holder |
| 20th |
1962 |
Lincoln NE |
W.R. Wedel |
| 19th |
1961 |
Lawton OK |
M.E. Tong, Jr. |
| 18th |
1960 |
Norman OK |
J.B. Wheat |
| 17th |
1959 |
Lincoln NE |
R.L. Stephenson |
| 16th |
1958 |
Lincoln NE |
H.W. Hamilton |
| 15th |
1957 |
Lincoln NE |
W.R. Hurt, Jr. |
| 14th |
1956 |
Lincoln NE |
R.P. Wheeler |
| 13th |
1955 |
Lincoln NE |
D.J. Lehmer |
| 12th |
1954 |
Lincoln NE |
W. Mulloy |
| 11th |
1953 |
Lincoln NE |
E.M. Davis |
| 10th |
1952 |
Lincoln NE |
C.S. Smith |
| 9th |
1951 |
Lincoln NE |
P.L. Cooper |
| 8th |
1950 |
Lincoln NE |
A.C. Spaulding |
| 7th |
1949 |
Lincoln NE |
M.F. Kivett |
| 6th |
1948 |
Lincoln NE |
J.D. Jennings |
| 5th |
1947 |
Lincoln NE |
J.L. Champe |
| 4th |
1940 |
Norman OK |
F.E. Clements |
| 3rd |
1936 |
Mount Vernon IA |
C.R. Keyes |
| 2nd |
1932 |
Lincoln NE |
E.H. Bell |
| 1st |
1931 |
Vermillion SD |
W.H. Over |