Palouse dust storms thicken Okanogan soils. - A silviculturist I once knew In the Okanogan Highlands of northeastern Washington, forest...

Trenching at Wallula, WA In 2020, the U.S. Geological Survey excavated a trench across a suspected fault scarp near Wallula, WA in an...

Geologists have long been fascinated with the high terrace that stands well above the modern Columbia River between Brewster and Chelan....

The Great Terrace from Chelan butte. John Whitmer photo. WGS photo archive. "I hold my conclusions lightly and am willing to change them if additional observations demand it." - I.C. Russell (1898) Central Washington's Geology is Complicated Two towering geologists of the American West, George Otis Smith and Bailey Willis , spent significant parts of their storied careers in Washington. In the introduction to their 1903 report on 'Geology and Physiography of Central Washingt

I took a swing at correlating 26 of Kevin Lindsey's stratigraphic columns from White Bluffs (Lindsey, 1996, Appendix A). A couple day's...