One of a series of handbooks used to instruct the civilian defense worker in his duties, and to serve as a manual for reference. The measures for safeguarding civilians against the effects of air attack, which are described in the following pages, have become a necessary part of the defensive organization of any country open to air attack. Every state and municipality should take such legal or administrative action as may be necessary to provide for the organization, direction, and training of its Road Repair Crews.

http://www.idaillinois.org/u?/isl3,15637 Approved for public release; distribution is unlimited.