| Year | Dates | Location | Program |
|---|---|---|---|
| 2027 | March 14-17 | Portland, OR | |
| 2026 | April 12-15 | Spokane, WA | Program Book Online Program |
| 2025 | March 30-April 2 | Salt Lake City, UT | Program Book Online Program |
| 2024 | April 14-17 | Waikoloa Beach, HI | Program Book Online Program Meeting Photos |
| 2023 | April 2-5 | Seattle, WA | Program Book Online Program |
| 2022 | April 10-13 | Santa Rosa, CA | Program Book Online Program Meeting Photos |
| 2021 | April 5-7 | Virtual | Online Program |
| 2020* | April 19-22 | Spokane, WA | Program Book Online Program |
| 2019 | March 31-April 3 | San Diego, CA | Program Book Online Program Meeting Photos |
| 2018 | June 10-13 | Reno, NV | Program Book Online Program |
| 2017 | April 2-5 | Portland, OR | Program Book Online Program |
| 2016 | April 3-6 | Honolulu, HI | Program Book Online Program |
| 2015 | April 11-15 | Coeur d'Alene, ID | Program Book Online Program |
| 2014 | April 5-9 | Tuscon, AZ | Program Book Online Program Meeting Photos |
| 2013 | April 7-10 | South Lake Tahoe, NV | Program Book Online Program |
| 2012 | March 24-28 | Portland, OR | Online Program |
| 2011 | March 27-30 | Waikoloa, HI | Program Book Abstracts |
| 2010 | April 11-14 | Boise, ID | Program Book Abstracts |
| 2009 | March 29-April 1 | San Diego, CA | Program Book Abstracts |
| 2008 | March 30-April 2 | Napa, CA | Program Book Abstracts |
| 2007 | March 25-28 | Portland, OR | |
| 2006 | March 5-8 | Maui, HI | Program Book |
| 2005 | February 27-March 2 | Pacific Grove, CA | Program Book Abstracts |
| 2004 | June 20-23 | Bozeman, MT | Program Book Abstracts |
| 2003 | March 23-26 | Tuscon, AZ | Program Book Abstracts |
| 2002 | June 16-19 | South Lake Tahoe, NV | Program Book |
| 2001 | June 24-27 | Park City, UT | Abstracts |
| 2000 | June 25-27 | Costa Mesa, CA | Program Book |
| 1999 | June 21-23 | Eugene, OR | Program Book Abstracts |
