Michael Moorman:
Brink of the Upper Falls in the Grand Canyon of Yellowstone
Michael Moorman:
Mud Volcano
Michael Moorman:
West Thumb Geyser Basin
Michael Moorman:
West Thumb Geyser Basin
Michael Moorman:
Gibbon Falls
Michael Moorman:
Mudpots
Michael Moorman:
Runoff from the Great Prismatic Spring
Michael Moorman:
Firehole River at Old Faithful
Michael Moorman:
Two of a multitude of geysers at Old Faithful
Michael Moorman:
Geyser at Old Faithful