 Complete the following phrase:  The parkway is a transitional zone in terms of geology with ancient lava beds being found in the north and the granitic rocks of the Teton Range in the south. The Snake River flows through the parkway as it heads south to Jackson Lake and is considered a prime trout fly fishing area. In Grand Teton and Yellowstone, grizzly bears, black bears, moose, elk, bighorn sheep and mule deer can be found there. The 