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 effort to better understand earthquake hazards in south-central Washington (Brocher and Sherrod, 2018; Angster et al., 2020). In this post, I review the land use history of the 'Starthistle Trench' (formerly called 'SUK Trench') site recorded in several decades of aerial photographs. The site is located along the trace of the Olympic-Wallowa Li

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