Abstract Newsletters, correspondence, programs, and other materials relating to the Portland Air Defense Filter Center in Oregon. Materials were compiled by Beatrice Baird (1901-1989), who served as the center's Sunday day director. The collection also includes several items relating to the Bend Air Defense Filter Center. The Portland Air Defense Filter Center was operated under the auspices of the Ground Observer Corps, which relied on civilian volunteers to spot any potential air attacks on the...

Abstract Pamphlets and brochures that were produced or distributed by Portland Disaster Relief and Civil Defense, and were mailed out in October 1960. Portland, Oregon's Disaster Relief and Civil Defense bureau was established in 1950 to help Portlanders prepare for possible nuclear attack. It successfully staged an evacuation of downtown Portland in 1955, and built an underground shelter complex in 1956. However, in the early 1960s, voters rejected levy measures to continue funding the program, and...