Tunnels converted to fallout shelters (1 март 1962 г. – 1 сент 1965 г.)
Описание:
"Carleton converted the tunnel system into a fallout shelter that would offer nearly maximum protection against radiation for the entire student body, faculty, staff, and their families. The project was subsidized by government funds in cooperation with the National Civil Defense Program."Добавлено на ленту времени:
Дата:
1 март 1962 г.
1 сент 1965 г.
~ 3 years and 6 months