date	venue	city	state
4/13/1969	Ballroom - University of Colorado	Boulder	CO
9/3/1972	Folsom Field - University of Colorado	Boulder	CO
6/7/1980	Folsom Field - University of Colorado	Boulder	CO
6/8/1980	Folsom Field - University of Colorado	Boulder	CO
12/9/1981	Activity Center - University of Colorado	Boulder	CO