Yellowstone National Park

Fumarole in a lay-by

USA1607

Yellowstone National Park

Fumarole in a lay-by

USA1608

Yellowstone National Park

Yellowstone River and thermal activity

USA1609

Yellowstone National Park

At Sulphur Cauldron - note the buffalo

USA1610

Yellowstone National Park

At Sulphur Cauldron - hot spring

USA1611

Yellowstone National Park

At Sulphur Cauldron - note the buffalo

USA1612

Yellowstone National Park

Informative Notice

USA1613

Yellowstone National Park

Informative Notice

USA1614

Yellowstone National Park

At Sulphur Cauldron - the cauldron

USA1615

Yellowstone National Park

At Sulphur Cauldron - the cauldron

USA1616

Yellowstone National Park

At Sulphur Cauldron

USA1618

Yellowstone National Park

At Sulphur Cauldron

USA1618Pano

Yellowstone National Park

Informative Notice

USA1623

Yellowstone National Park

Mud volcano area

USA1624

Yellowstone National Park

Mud volcano area

USA1625

Yellowstone National Park

Mud volcano area

USA1626

Yellowstone National Park

Informative Notice

USA1627

Yellowstone National Park

Mud volcano area

USA1628

Yellowstone National Park

Informative Notice

USA1629

Yellowstone National Park

Mud volcano area

USA1630

Yellowstone National Park

Informative Notice

USA1631

Yellowstone National Park

Mud volcano area

USA1632

Yellowstone National Park

Mud volcano area

USA1633

Yellowstone National Park

Mud volcano area

USA1634

Yellowstone National Park

Mud volcano area

USA1635

Yellowstone National Park

Mud volcano area

USA1636

Yellowstone National Park

Mud volcano area

USA1637

Yellowstone National Park

Mud volcano area

USA1638

Yellowstone National Park

Mud volcano area

USA1639

Yellowstone National Park

Mud volcano area - Sour Lake

USA1633Pano

Yellowstone National Park

Mud volcano area - buffalo at Sour Lake

USA1640

Yellowstone National Park

Mud volcano area - buffalo at Sour Lake

USA1641

Yellowstone National Park

Mud volcano area - Sour Lake

USA1642

Yellowstone National Park

Buffalo at Sour Lake

USA1643

Yellowstone National Park

Mud volcano area - what was the Mud Volcano

USA1644

Yellowstone National Park

Informative Notice

USA1645

Yellowstone National Park

Mud volcano area - what was the Mud Volcano

USA1646

Yellowstone National Park

Mud volcano area - Dragons Mouth Spring

USA1647

Yellowstone National Park

Mud volcano area - Dragons Mouth Spring

USA1648

Yellowstone National Park

Informative Notice

USA1649

Yellowstone National Park

Mud volcano area - Dragons Mouth Spring

USA1650

Yellowstone National Park

Yellowstone Lake

USA1651

Yellowstone National Park

Yellowstone Lake

USA1652

Yellowstone National Park

Yellowstone Lake

USA1653

Grand Tetons

USA1654

Grand Tetons

USA1655

Grand Tetons

USA1656

Grand Tetons

USA1657