Perry: more on the landslide:
https://volcanoes.usgs.gov/Imgs/Jpg/...8_caption.html
https://www.usgs.gov/volcanoes/mount...ruption-shasta
The main volcano page for Shasta very briefly mentions it in the summary: https://www.usgs.gov/volcanoes/mount-shasta
And according to SciAm, the 1786 eruption has been deprecated: https://www.scientificamerican.com/a...ical-eruption/
It's still gonna blow someday, and when it does the railroad won't escape damage.
Re. Cantara Loop: wasn't there a nasty train wreck there some years ago that poisoned the upper Sacramento River?