Clyde died September 19, 1971 from injuries suffered in a motorcycle accident. This is Clyde's obituary published in the Salt Lake Tribune on September 21, 1971.
https://newspaperarchive.com/clyde-otterstrom-obituary-dec-21-1971-2193517/
In Memory
Clyde Otterstrom
Kim Mosier
This is an article from a Long Beach newspaper, the Independent Press-Telegram dated September 20, 1971.