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Dr.

"Tucked away in the Norris Geyser Basin is Steamboat Geyser, the world’s tallest active geyser. Its major eruptions shoot water more than 300 feet (91 m). Only Waimangu Geyser in New Zealand has rocketed to greater heights—but not in more than one hundred years.

A foggy, early morning view looking down the Gibbon River, off of Grand Loop Rd in Yellowstone National Park, Wyoming.

Looking down from the lookout point at Brink of Lower Falls, over the Yellowstone River, as it flows eastward through the "Grand Canyon of Yellowstone".

This mudpot is located at the upper level of the trail at the Artists' Paintpots in Yellowstone National Park, Wyoming. Some people will smell rotten eggs, others might even pick up the scent of hickory-smoked ham. 

Need time to concentrate or relax? Then listen to the natural sounds of Rustic Falls in Yellowstone National Park, Wyoming. Rustic Falls is a few miles south of Mammoth Hot Springs in Yellowstone National Park, Wyoming.

Cinnamon Spouter is located on the Black Sand Basin Trail in Yellowstone National Park, Wyoming. 

Need time to concentrate or relax? Then listen to the natural sounds of Kepler Cascades in Yellowstone National Park, Wyoming. Kepler Cascades is located just a couple miles away from Old Faithful within Yellowstone National Park, Wyoming. 

On the drive south of Mammoth Springs, you pass through Silver Gate which is a landslide deposit of travertine stone at least 400,000 years old. 

Looking down on the lower portion of Artists' Paintpots in Yellowstone National Park, Wyoming. Artists' Paintpots is a hydrothermal area with many colorful mud pots, hot springs, and geysers.

A view of Roaring Mountain in Yellowstone National Park, Wyoming. "Roaring Mountain is a large, acidic thermal area (solfatara) that contains many steam vents (fumaroles). In the late 1800s and early 1900s, the number, size, and power of the fumaroles was much greater than today." (NPS)

Mount Everts, as seen from Mammoth Hot Springs near the North Entrance of Yellowstone National Park.

GPS data from station P716, near Canyon Village, spanning 2005–2023. Top plot shows motion in a north-south direction (positive change is north), middle is east-west motion (positive change is east), and bottom plot is up-down motion (positive change is up).

A scientist carefully collects a soil sample to determine soil density. Accurate soil density measurements are required for scaling soil carbon from the plot to the landscape. 

Section of a sediment core from Rush Lake, Lower Geyser Basin, Yellowstone National Park.

View to the southwest of the eastern front of the Gallatin Range from Gardners Hole. The East Gallatin-Reese Creek fault system runs along the base of the range at the prominent break-in-slope in the trees. Photo by James Mauch, Wyoming State Geological Survey, on August 29, 2023.

A portion of organic-rich lake mud recovered from Rush Lake, in the Lower Geyser Basin of Yellowstone National Park. Younger sediments are to the left and older sediments are to the right. The researcher is pointing to a thin, white layer—the Mazama ash, produced during the eruption 7600 years ago that formed Crater Lake in Oregon.

A map of the airborne geophysical survey area in the Medicine Mountains region of Wyoming

Pouring sulfate-resistant cement for one of the bridge footers after a drill hole has been completed. The existing bridge can be seen through the trees on the left side of the picture.

Drilling for the new Yellowstone River Bridge near Tower Junction. A small, yellow, personal 4-gas safety monitor can be seen on the upper left breast pocket on the person in the far right of the picture.  Photo by Ken Sims (University of Wyoming), August 3, 2023.

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