The Mt. Holly Mayor found a stockpile of civil defense documents at an an estate sale. He uploaded this DIY "Family Shelter Designs" booklet published in 1962 by the U.S. Dept. of Defense. As a bonus, he linked to the fun 1983 Donald Fagan video about a hot date in a fallout shelter.
Mark Frauenfelder is the founder of Boing Boing and the editor-in-chief of MAKE and Cool Tools. Twitter: @frauenfelder. His new book is Maker Dad: Lunch Box Guitars, Antigravity Jars, and 22 Other Incredibly Cool Father-Daughter DIY Projects