english: They found in the late '30s -- 10 years after they'd made these dams -- that the people in Northern Alabama were infected with malaria, about a third to half of them were infected with malaria.
non_english: 30'lu yılların sonunda, bu barajları yaptıktan 10 yıl sonra fark ettiler ki Kuzey Alabama halkı sıtmaya yakalanmış. Halkın üçte biri sıtma idi.