State of Wyoming with a population of about 500,000 and its capital and largest city is Cheyenne. The second largest city is Casper, and the third largest city, Laramie is the home of the University of Wyoming. Ranching is widespread in the Wyoming state, though farming is limited due to the scarce rainfall. Farm products include beef, wool, wheat, and hay. Wyoming is a big state for National Parks, including such as Yellowstone, established in 1872, Grand Teton and the Bighorn Canyon National Recreational Area. There are no sales or corporate tax in Wyoming. The two biggest sectors of the Wyoming economy are mining and tourism. Wyoming has become the number one coal producing state in the United States, with almost 400 million tons of coal produced per year.