

Great Terrace of the Columbia #2 - The Geologists
The Great Terrace from Chelan butte. John Whitmer photo. WGS photo archive. "I hold my conclusions lightly and am willing to change them...


Roald Fryxell: My spirit animal
All-around geologist, climber, and educator Roald Hilding Fryxell in Levis on Eagles Rest Peak, Teton Range. WY c. 1953. Son of Fritiof...


Repeated Deformation - Lake Rufus Woods, WA
Shear stress at the base of the overriding flow is transmitted to the substrate. Soupy and clay-rich substrate material is partially...


Clastic Dikes at Metalline Falls, WA
Olaf P. Jenkins took these photos in 1924 near Metalline Falls, WA. They show Pleistocene-age clastic dikes intruding rippled...


A North Slope Field Geologist c. 1919
Photo: Prudhoe Bay c. 1974. A hundred years before Barrow became the industrial hub of Alaska's North Slope, oil seeps provided Inupiat...


Slide Planes, Mud Squirts & Diamicts in Upper Grand Coulee
Brian Atwater always makes you feel like a million bucks. He invited me to join a group of geologists meeting in the Upper Grand Coulee...


A Visit to Rich Chambers' Jocko Site - Western Montana
Last week I had the pleasure of a day in the field with Rich Chambers and Larry Smith. Rich did early work on Glacial Lake Missoula...


Predicting liquefaction extent in the Yakima Fold Belt
Geologists have long debated how large of an earthquake Yakima Fold Belt faults can produce. Some claim these shallow (<10km), intraplate...


Geology in Fine Art
Vahe Yeremyan Rhone Alps Levi Walter Yaggy Geological Chart Maynard Dixon Men and Mountains Rockwell Kent Sunglare, Alaska Rockwell Kent...


Investigating Effort
Their study consists of 83 locations in the Pasco Basin. In 1999, a group of senior geoscientists at the Hanford Nuclear Site, lead by...