Wyoming is located in the Rocky Mountains of the western United States. The outline of the state is approximately square. It borders Montana in the north, South Dakota and Nebraska in the East, Colorado in the south, Utah in the southwest and Idaho in the West. With an area of 253596km2, it ranks ninth in the 50 states. Population 515004 (2006). The capital, Cheyenne, is located in the southeast corner of the state. The name of the state comes from the Indian language, which means "prairie" or "mountain and valley". In Wyoming, officially nicknamed the Equality State, you and your wheeled partner will come across many stops, large and small, which cover chains of different brands. Wyoming covers an area of 253325 km2. Wyoming is the meeting point of two major regions in North America: the Rocky Mountains in western Wyoming and the Great Plains in Eastern Wyoming. In addition, another large basin of North America covers a small part of the southwestern part of the state. Wyoming's mountainous areas include Teton, Gros venture, Snake River, Salt River, Wyoming, Absaroka and wind river. The Great Plains of the state are suitable for raising cattle and sheep, while the irrigated areas produce corn, beans, sugar beets, hay, barley, and other shell materials. The southern and northern half of the basin is a region with more dust and less trees. The headwaters of the three major rivers in the United States are in the state, including the Missouri River, Colorado River, and Columbia River. Other major rivers in the state are Yellowstone River, Bighorn River, North Brad River, green river and Snake River. The main cities of huaizhou are Cheyenne, Casper, Laramie and Rock Springs. The population of the state is about 500000.