Comprehensive info on where to fish, when to fish and what flies and lures to use on all the finest trout fishing waters in Wyoming including a special section on Yellowstone National Park. Each river system discussed is accompanied by an original, detailed 8.5x24 inch fold-out, two-color map, giving at-a-glance information the angler needs for success. Includes historical, business, cultural, recreational and sightseeing information about each community along the rivers. 33 fold-out, two-color river maps, 21 town maps; 5.5x8.5 inches, 250 pgs.