Years 1971 - 1980
| Meeting | Location | Date |
Laramie, Wyoming |
April 15-17, 1980 |
|
Sparks, Nevada |
April 18-20, 1979 |
|
In at Otter
Crest, Oregon |
April, 18-20, 1978 |
|
Albuquerque, New Mexico |
April 18-21, 1977 |
|
Calgary, Alberta, Canada |
April 20-22, 1976 |
|
Coronado, California |
April 23-25, 1975 |
|
Anchorage, Alaska |
April 16-20, 1974 |
|
Grand Junction, Colorado |
April 17-19, 1973 |
|
Phoenix, Arizona |
April 18-20, 1972 |
|
Billings, Montana |
April 20-22, 1971 |