
Attack Warning System : Portland Map showing location of sirens
Wednesday, December 31, 1952 at 9:14:02 AM
A2000-021
M/1638
The map shows what areas of Portland are in hearing range of the 7 sirens. This could be an earlier plan. Map comes from the subject files of Civil Defense Director Jack Lowe. Circa date. Key Words : Emergency warning sirens ; air raid sirens ; Wailing Willies Organizations : Portland Civil Defense
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