Page "government" Paragraph 372
from
Brown Corpus
The illustrations in fig. 8 show how to lay a concrete block wall.
More detailed instructions may be obtained from your local building supply houses and craftsmen.
Other sources of information include the National Concrete Masonry Association, 38 South Dearborn Street, Chicago, Ill., the Portland Cement Association, 33 West Grand Avenue, Chicago, Ill., and the Structural Clay Products Association, Washington, D.C..
Aboveground double-wall shelter
An outdoor, aboveground fallout shelter also may be built with concrete blocks.
( See fig. 9, double-wall shelter.
) Most people would have to hire a contractor to build this shelter.
Plans are on pages 22 and 23.
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