| Meeting No. | Date | Location |
| 1 | April 5-9, 1948 | Berkeley, California |
| 2 | November 7, 1948 | Washington, DC |
| 3 | April 11-14, 1949 | Tucson, Arizona |
| 4 | October 23, 1949 | Kansas City, Missouri |
| 5 | April 5-6, 1950 | Berkeley, California |
| 6 | November 12-14, 1950 | Washington, DC |
| 7 | April 30-May 4, 1951 | Corvallis & Yachats, Oregon |
| 8 | November 11-12, 1951 | Houston, Texas |
| 9 | April 28-30, 1952 | Berkeley, California |
| 10 | November 9, 1952 | Washington, DC |
| 11 | April 27, 1953 | Pullman, Washington |
| 12 | November 8-9, 1953 | Columbus, Ohio |
| 13 | February 17-19, 1954 | Berkeley, California |
| 14 | May 19-22, 1954 | Las Cruces, New Mexico |
| 15 | November 14-15, 1954 | Washington, DC |
| 16 | February 14-16, 1955 | Davis, California |
| 17 | July 21, 1955 | Laramie, Wyoming |
| 18 | November 13-14, 1955 | East Lansing, Michigan |
| 19 | February 21-23, 1956 | Riverside, California |
| 20 | July 16-18, 1956 | Bozeman, Montana & Dubois, Idaho |
| 21 | November 11-12, 1956 | Washington, DC |
| 22 | March 4-6, 1957 | Berkeley, California |
| 23 | July 10-12, 1957 | Logan, Utah |
| 24 | November 9, 1957 | Denver, Colorado |
| 25 | March 3-5, 1958 | Tucson, Arizona |
| 26 | July 16-18, 1958 | Reno, Nevada |
| 27 | November 9-10, 1958 | Washington, DC |
| 28 | March 2-4, 1959 | Berkeley, California |
| 29 | July 9-11, 1959 | Corvallis & Ocean Lake, Oregon |
| 30 | November 8-10, 1959 | St. Louis, Missouri |
| 31 | March 2-4, 1960 | Las Cruces, New Mexico |
| 32 | July 12-14, 1960 | Pullman, Washington |
| 33 | November 14, 1960 | Washington, DC |
| 34 | March 6-8, 1961 | Berkeley, California |
| 35 | July 10-12, 1961 | Laramie, Wyoming & Fort Collins, Colorado |
| 36 | November 14-16, 1961 | Kansas City, Missouri |
| 37 | March 7-9, 1962 | Davis, California |
| 38 | August 7-9, 1962 | Bozeman, Montana |
| 39 | November 12-14, 1962 | Washington, DC |
| 40 | March 26-28, 1963 | Lake Arrowhead, California |
| 41 | June 19-21, 1963 | Fort Collins, Colorado |
| 42 | November 11-13, 1963 | Chicago, Illinois |
| 43 | March 5-8, 1964 | Honolulu, Hawai'i |
| 44 | July 21, 1964 | Logan, Utah |
| 45 | November 11-13, 1964 | Washington, DC |
| 46 | March 3-5, 1965 | Berkeley, California |
| 47 | July 20-22, 1965 | Reno, Nevada |
| 48 | November 15, 1965 | Minneapolis, Minnesota |
| 49 | March 9-11, 1966 | Tucson, Arizona |
| 50 | July 18-21, 1966 | Corvallis & Newport, Oregon |
| 51 | November 13-16, 1966 | Washington, DC |
| 52 | March 5-9, 1967 | Berkeley, California |
| 53 | July 25-28, 1967 | Moscow, Idaho & Pullman, Washington |
| 54 | October 3-5, 1967 | Berkeley, California |
| 55 | November 12-15, 1967 | Columbus, Ohio |
| 56 | February 26-March 1, 1968 | Las Cruces, New Mexico |
| 57 | July 23-26, 1968 | Fort Collins, Colorado |
| 58 | November 10-12, 1968 | Washington, DC |
| 59 | February 16-21, 1969 | Waimea, Kaua'i, Hawai'i |
| 60 | July 21-25, 1969 | Bozeman, Montana |
| 61 | November 10-11, 1969 | Chicago, Illinois |
| 62 | February 23-27, 1970 | Berkeley, California |
| 63 | August 3-7, 1970 | Logan, Utah |
| 64 | November 9-10, 1970 | Washington, DC |
| 65 | March 3-5, 1971 | Tucson, Arizona |
| 66 | August 4-6, 1971 | Jackson, Wyoming |
| 67 | November 8-10, 1971 | New Orleans, Louisiana |
| 68 | February 12-18, 1972 | Keauhou-Kona, Hawai'i |
| 69 | July 16-21, 1972 | Reno, Nevada |
| 70 | November 14-15, 1972 | Washington, DC |
| 71 | March 4-9, 1973 | Berkeley, California |
| 72 | August 13-17, 1973 | Newport, Oregon |
| 73 | November 13-14, 1973 | Denver, Colorado |
| 74 | February 20-22, 1974 | Las Cruces, New Mexico |
| 75 | July 29-August 2, 1974 | Spokane, Washington |
| 76 | February 26-28, 1975 | Riverside, California |
| 77 | August 6-8, 1975 | Coeur d'Alene, Idaho |
| 78 | February 25-27, 1976 | Tucson, Arizona |
| 79 | July 21-23, 1976 | Salt Lake City, Utah |
| 80 | February 22-24, 1977 | Berkeley, California |
| 81 | July 28-29, 1977 | Bozeman, Montana |
| 82 | March 29-31, 1978 | Honolulu, Hawai'i |
| 83 | August 9-11, 1978 | Estes Park, Colorado |
| 84 | March 21-23, 1979 | Davis, California |
| 85 | August 8-10, 1979 | Jackson, Wyoming |
| 86 | March 26-28, 1980 | Reno, Nevada |
| 87 | August 6-8, 1980 | Monterey, California |
| 88 | November 19, 1980 | Atlanta, Georgia |
| 89 | April 1-3, 1981 | Oakland, California |
| 90 | November 9, 1981 | Washington, DC |
| 91 | August 5-9, 1982 | Anchorage-Palmer-Fairbanks, Alaska |
| 92 | November 8-10, 1982 | St. Louis, Missouri |
| 93 | April 7, 1983 | Denver, Colorado |
| 94 | August 3-5, 1983 | Corvallis, Oregon |
| 95 | September 28, 1983 | Burlingame, California |
| 96 | November 14-15, 1983 | Washington, DC |
| 97 | March 28, 1984 | Salt Lake City, Utah |
| 98 | July 31-August 4, 1984 | Hilo, Hawai'i |
| 99 | November 12, 1984 | Denver, Colorado |
| 100 | March 27, 1985 | Spokane, Washington |
| 101 | August 7-9, 1985 | Logan, Utah |
| 102 | November 11, 1985 | Washington, DC |
| 103 | March 26, 1986 | Tucson, Arizona |
| 104 | July 16-18, 1986 | Coeur d'Alene, Idaho |
| 105 | November 11, 1986 | Phoenix, Arizona |
| 106 | March 1, 1987 | Washington, DC |
| 107 | July 21-24, 1987 | Reno, Nevada |
| 108 | November 11, 1987 | Washington, DC |
| 109 | March 23-24, 1988 | Las Cruces, New Mexico |
| 110 | July 28-29, 1988 | Fort Collins, Colorado |
| 111 | November 14, 1988 | Dallas, Texas |
| 112 | March 22-23, 1989 | Monterey, California |
| 113 | July 24-27, 1989 | Bozeman, Montana |
| 114 | November 20, 1989 | Washington, DC |
| 115 | March 27-28, 1990 | Tamuning, Guam |
| 116 | June 25-29, 1990 | Newport, Oregon |
| 117 | November 11, 1990 | Kansas City, Missouri |
| 118 | April 4-5, 1991 | Tucson, Arizona |
| 119 | July 22-27, 1991 | Santa Fe, New Mexico |
| 120 | November 10, 1991 | Washington, DC |
| 121 | March 24-25, 1992 | Salt Lake City, Utah |
| 122 | July 19-23, 1992 | Monterey, California |
| 123 | November 8, 1992 | New Orleans, Lousiana |
| 124 | March 9-10, 1993 | Reno, Nevada |
| 125 | July 6-8, 1993 | Jackson, Wyoming |
| 126 | November 11, 1993 | Washington, DC |
| 127 | March 8-9, 1994 | Ft. Collins, Colorado |
| 128 | July 17-21, 1994 | Fairbanks, Alaska |
| 129 | November 8, 1994 | Chicago, Illinois |
| 130 | March 14-15, 1995 | Tucson, Arizona |
| 131 | July 16-19, 1995 | Leavenworth, Washington |
| 132 | November 13-15, 1995 | Orlando, Florida |
| 133 | March 13-15, 1996 | Las Cruces, NM |
| 134 | July 14-17, 1996 | Tucson, Arizona |
| 135 | November 16, 1996 | San Diego, California |
| 136 | March 12-14, 1997 | Napa, California |
| 137 | July 13-17, 1997 | Maui, Hawai'i |
| 138 | November 18, 1997 | Washington, DC |
| 139 | March 18-20, 1998 | Newport, Oregon |
| 140 | July 8-11, 1998 | Park City, Utah |
| 141 | September 22, 1998 | Kansas City, Missouri |
| 142 | March 22-24, 1999 | Kona, Hawai'i |
| 143 | July 11-14, 1999 | Sun Valley, Idaho |
| 144 | September 28-30, 1999 | Memphis, Tennessee |
| 145 | March 22-24, 2000 | San Diego, California |
| 146 | July 16-19, 2000 | Lake Tahoe, Nevada |
| 147 | September 25-28, 2000 | New Orleans, Louisiana |
| 148 | March 14-16, 2001 | Tucson, Arizona |
| 149 | July 15-18, 2001 | Keystone Resort, Colorado |
| 150 | September 24-27, 2001 | Coeur d'Alene, Idaho |
| 151 | March 21-22, 2002 | Las Cruces, New Mexico |
| 152 | July 14-17, 2002 | Big Sky, Montana |
| 153 | September 22-25, 2002 | Baltimore, Maryland |
| 154 | March 23-26, 2003 | Lihu'e,Kaua'i, Hawai'i |
| 155 |
July 13-16, 2003 |
Newport, Oregon |
| 156 |
September 22-24, 2003 |
Dearborn, Michigan |
| 157 | March 22-25, 2004 | Las Vegas, Nevada |
| 158 |
June 20-24, 2004 |
Guam |
| 159 |
September 26-29, 2004 |
Oklahoma City, Oklahoma |
| 160 | March 21-23, 2005 | Riverside, California |
| 161 | July 10-13, 2005 | Santa Fe, New Mexico |
| 162 |
September 25-28, 2005 (Cancelled
due to Hurricane Rita) |
San Antonio, Texas |
| 163 | March 20-22, 2006 |
San
Diego, California |
| 164 |
July 9-12, 2006 |
Monterey,
California |
| 165 |
September 24-27, 2006 |
Lake Tahoe, Nevada |
| 166 | March 19-22, 2007 |
Kona,
Hawai'i |
| 167 |
July 15-18, 2007 |
Jackson,
Wyoming |
| 168 |
September 16-18, 2007 | Philadelphia, Pennsylvania |
| 169 | March 17-20, 2008 |
Tucson,
Arizona |
| 170 |
July 6-9, 2008 |
Fairbanks, Alaska |
| 171 |
September 21-24, 2008 |
Traverse City, Michigan |
| 172 | March 23-25, 2009 |
Davis,
California |
| 173 |
July 19-22, 2009 |
Semiahmoo, Washington |
| 174 |
September 14-17, 2009 |
Oklahoma City, Oklahoma |