If you've worked as a Geologist in the West, its a fairly safe bet J.T. Pardee visited your field area decades before you arrived....

I recently bought a 2017 Honda CRF250L with less than 500 miles on it. It has a full Yoshimura RS-4 exhaust system, aftermarket fuel...

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