Hi Tom -

The stove was someone else's but looked just like my Primus Multifuel. We also had a Primus ETAPower, and I had a Nova+ I'm testing (its valve froze up after a few hours of use; had to use pliers at home to finally get it unstuck).

The Yellowstone trip was great - pictures here:

http://www.brilliantmedia.com/bp/yell/