Ninth largest state in area, Wyoming ranks 50th in population. Oil, natural gas, coal, and uranium are plentiful. In 1869 this frontier territory pioneered women's suffrage in the U.S. In 1924 Wyoming became the first state to elect a woman governor. Yellowstone, the first national park in the U.S., was established in 1872. Today neighboring Grand Teton National Park's alpine peaks also attract more than four million visitors annually.