And just as their numbers were rebounding in the mid-20th century -- shooting up to 900, 1,000, 1,100, 1,200 -- just as that started happening, we started draining the southern Everglades.
20세기 중반에 그 개체수가 솟구쳐 900, 1,000, 1,100 1,200 까지 늘었습니다. 바로 그때, 에버글레이드 남단이  메말라가기 시작했습니다.