Good Chi Studio - Yang style in Denver, Colorado. On-line school, cam, and forum. www.denver-taichi.com
Prairie Winds - Cheng Man-ch'ing's Yang Style used to prevent falling and aid horse riders at Fort Collins, Colorado. About the classes. www.prairiewinds.com/taichi.htm
Rocky Mountain T'ai-chi - Yang style short form as developed by Professor Cheng Man-ch'ing taught in Boulder, Colorado. Articles and class schedule. www.csd.net/~bfaigao/home/index.html