You have to admit, civilian knowledge of nuclear warfare survival technique has faded away badly in the last 50 years.
As a former USAF instructor in NBC survival, I’ve still got the knowledge but I don’t know anybody else who does. Hell, I’d be happy to see a reprint of the old Civil Defense handbooks.
Found one for Seattle:
https://assets.documentcloud.org/documents/2919925/Archives-Civil-Defense-Pdf.pdf