In the decades after World War II, the Mile High City traded its cowtown image for the glitter of skyscrapers, big-league sports teams, Interstate highways, and urbanity. As the Urban Renewal wrecking ball erased the city's old skin and displaced some residents familiar with it, a new facade attracted Americans from far and wide in search of a Rocky Mountain way of life. Servicemen returning from the war came to build new businesses, and the next...