FEMA nuclear explosion preparedness guide.
https://diqn32j8nouaz.cloudfront.net...a_fullsize.jpg
More:
https://www.ready.gov/sites/default/...ct-sheet_0.pdf
Previously:
https://www.homemadetools.net/forum/...932#post220868
https://www.homemadetools.net/forum/...868#post179240
https://www.homemadetools.net/forum/...433#post177538
https://www.homemadetools.net/forum/...537#post205342
https://www.homemadetools.net/forum/...446#post215472