I haven't checked recently, that was one of the places I am going to look today. There used to be a place in Hayden on Govt. Way, not sure if they are still in business or not.
Was going to have the wife call REI and ask them.
Good blends of fuel for winter use are Snow Peak, MSR, Brunton and Jetboil, if you see any of those in the large size canister, 500g or 16 oz, let me know please.