The definitive article on clastic dikes in Eastern Washington. Origin, age, character, and distribution are discussed. Data driven research.

Locations of paleoseismic trenches and Quaternary faults in Eastern Washington. Trenches excavated across fault scarps, visible in lidar...

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

Shear stress at the base of the overriding flow is transmitted to the substrate, forming these structures. Soupy and clay-rich substrate...

Structureless sand is fairly unusual in the geologic record. Sandy sediment deposited by flowing water always preserves bedforms....

Undeformed flood package. A single, meter-thick Missoula flood bed formed by when a rush of water, released out of western Montana,...

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...

Directions - From Othello, drive north on Hwy 17 and turn R (east) on Hwy 170/Rd 8 SE at the '76 gas station toward Warden. Follow for...

Directions - From the Cunningham Rd-Hwy 17 intersection at Othello, drive south 10.4 miles toward Scooteney Reservoir. Turn L (east) onto...

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...