For dry fly fishing i use the following. 8lb maxima (4feet), 6lb maxima (2feet), 5 or 4 lb maxima (2 feet) then attach flies. Way cheaper than tapered leaders and is basically the same thing just tie a good knot and away u go.
I'm headed down in a couple weeks and floating the bighorn river. Might even get the yellowstone too. Just wondering if anyone has fished it and how it was.