. "1973-1974" . "Pisagua internment camp" . "30 people (during the 1973-1974 biennium)" . . . . "The Pisagua Memorial in 2007" . . "300" . "1927-1931" . . "Pisagua" . "2500" . . "Pisagua internment camp" . . "1939-1947" .