Union Pacific 844 and 3985 climbing out of Echo Canyon near Wahsatch, WY in May 1991.

UP 844 and 3985 climbing out of Echo Canyon near Wahsatch WY, May 1991.

Union Pacific 844 and 3985 thunder out of Echo Canyon toward Wahsatch, Wyoming in May 1991, on their return from Railfair 91 in Sacramento, CA.