From Above the Air...
Dunsmuir was founded in 1886 and named "Pusher" because the Southern Pacific stationed "helper" or "pusher" locomotives there to help trains over the steep grades.
North from Dunsmuir, the rails continue to snake up the Sacramento River canyon toward Mt. Shasta City and Oregon...
The horseshoe-shaped Cantara Loop was the site of an infamous derailment and spill of "metam sodium" from a tank car in July of 1991. Cantara has, for many years, been a favorite photo spot for train buffs.