Alaska

Alaska Chapter

Arizona

Arizona Chapter
 

Arizona Student Chapter SWCS

California/Nevada

California Chapter


Humboldt State University Student Chapter

California Polytechnic State University - San Luis Obispo Earth, SWCS Club

Hawaii/Guam

Hawaii Chapter

Idaho

Inland Empire Chapter (Idaho/Washington)

Idaho Chapter

Oregon

Oregon Chapter

Utah

Utah Chapter

Washington

Olympic View Chapter

Inland Empire Chapter (Idaho/Washington)