Gold Rush fan favorite Tyler Mahoney shares the secret to being a successful woman in a man's world in her debut memoir. . . If you haven't seen a Discovery Channel gold-hunting show, you might picture a gold prospector as a relic of the Wild West: a TNT-toting, bearded old man wildly swinging a pick on the hunt for nuggets, guided by old maps, superstition, legends and instinct. It's still predominantly a man's world, and still...