Main Street of the Northwest By Angela Cotey | February 20, 2020 | Last updated on December 28, 2020 Email Newsletter Get the newest photos, videos, stories, and more from Trains.com brands. Sign-up for email today! Get Updates Mountains and rivers defined the scenic attraction of the Northern Pacific. Here, an A-B-B-A set of F units leads a six-locomotive consist on a freight following the Yakima River near Ellensburg, Wash., in 1964. Tom Gildersleeve photo