"This backyard plywood shelter can be built partially above ground and mounded over with earth, or be built totally below ground level. A gravel drain under the shelter and a ditch outside help keep it dry. The family blocks the entrance with…
"This family is building a basement compact shelter of sand-filled concrete blocks. Solid concrete blocks are used for the roof shielding. This type of shelter also could be built of brick or structural tile.
pp. cover, 41, 66.
Loosely inserted, a form letter from the Bureau of the Census, relating to "the recent Military Home Fallout Protection Survey," USGPO, 1967.