These trees, which can live longer than 1,000 years, grow on the rainy coast from the Oregon/California border through British Columbia and as far north as Prince William Sound. The giants have in many areas died in large numbers, puzzling scientists who later came up with a non-intuitive theory of what killed them.
https://www.gi.alaska.edu/alaska-science-forum/majesty-and-mystery-alaska-yellow-cedar

