Evacuation Ruled Necessary to CD June Maneuvers

Students may have to throw down their exam books and leave Cambridge in June as a part of a nation-wide Civil Defense alert.

A mass evacuation will empty Boston, Worcester, or the Springfield area some time in June.

Civil Defense officials say that the basis for the change in policy, from taking shelter to complete evacuation, is the new estimated casualty figures for cities filled with people if a nuclear attack occurs. They point out that blast effects of the bombs and contamination would make emptying of target area mandatory.

The area for complete evacuation covers metropolitan Boston. The next area, in which people will be neither evacuated nor received from the city, forms a band ten miles wide around the first. Bostonians can go anywhere outside these two places as long as they avoid Worcester. The third area that will be evacuated in case of attack surrounds Springfield.