Submitted by brennan.sang on Mon, 2012-08-13 07:21 Stream Ambassadors East Tennessee Fly Fishing Vote Up Down +15 + geode_creek.jpg My wife, two-year-old son and I loaded into the car and tentatively plied the zoo that is Yellowstone on a late-summer weekend. We were on a mostly familiar mission, find fish in the park. This mission was a little different. We were looking for a tiny population of genetically pure westslope cutties tucked away in an unassuming part of the park.