17 August 1967 Moose, Wyoming
5 July 2008 Morrison, Colorado
3 May 2009 Arvada, Colorado
9 June 2012 Morrison, Colorado
25 May 2013 Estes Park, Colorado
26 May 2015 Estes Park, Colorado
8 July 2019 Camp Buckhorn, Bellvue, Colorado
10 June 2023 Polson, Montana