Equality State - a state in the western United States; mountainous in the west and north with the Great Plains in the eastYellowstone National Park - the first national park in the United States; located in the border area between Wyoming and Montana and Idaho; spectacular wilderness; famous for Old Faithful geyser and for buffalo and bears Black Hills - mountains in western South Dakota and northeastern Wyoming Casper - a city of east central Wyoming on the North Platte river Jackson - a town in western Wyoming Lander - a town in central Wyoming Laramie - a university town in southeast Wyoming Rock Springs - a town of southwest Wyoming near the Utah border Bighorn, Bighorn River - a river that flows from central Wyoming to the Yellowstone River in southern Montana Black Hills - mountains in southwestern South Dakota and northeastern Wyoming; sacred to the Sioux (whites settling in the Black Hills led to the Battle of Little Bighorn); site of Mount Rushmore Green River, Green - a river that rises in western Wyoming and flows southward through Utah to become a tributary of the Colorado River North Platte, North Platte River - a river that rises in northern Colorado and flows northward into Wyoming and then eastward and southeastward through Nebraska where it joins the South Platte to form the Platte River Snake River, Snake - a tributary of the Columbia River that rises in Wyoming and flows westward; discovered in 1805 by the Lewis and Clark Expedition Teton Range - a mountain range in northwest Wyoming; contains the Grand Teton |