Wyoming is Full Of Surprising Amazing Features Like A Mud VolcanoWyoming is Full Of Surprising Amazing Features Like A Mud VolcanoJust north of Yellowstone Lake before you get to Hayden Valley is the mesmerizing mud volcano that at one time was said to be a 30 ft. high cone erupting mudDrew KirbyDrew Kirby
Yellowstone National Park Employees Are Removing Gas-contaminated SoilYellowstone National Park Employees Are Removing Gas-contaminated SoilThe tanker truck rolled on its side on Aug. 27.Associated PressAssociated Press