Historical Marker
Mission 66
Historical marker location:
Yellowstone National Park, Wyoming
( Marker is on Grand Loop Road, on the right when traveling north.)
A Decade of Modernization.
Wyoming is the least populous state in the United States, with a population of around 580,000 people. Despite its small population, Wyoming is the 10th largest state in terms of land area, with vast expanses of wilderness and natural beauty.