2024- Yavapai College Prescott Campus, Prescott, AZ

2023- Saddleback College, Mission Viejo, CA

2022- ?

2021- ?

2020- ?

2019- ?

2018- Dixie State University, St. George, UT

2017- Yavapai College Prescott Campus, Prescott, AZ

2016- Anza-Borrego Desert State Park, Borrego Springs, CA

2015- California State University,Turlock, CA

1978- UC Berkeley, Berkeley, CA