The Surface Mining Control and Reclamation Act of 1977 (SMCRA) is the primary federal law that regulates the environmental effects of coal mining in the United States. SMCRA created two programs: one for regulating active coal mines and a second for reclaiming abandoned mine lands. (19 ч 34 мин, 2 апр 1977 г. – 21 ч 24 мин, 12 июл 1977 г.)
Добавлено на ленту времени:
Дата:
19 ч 34 мин, 2 апр 1977 г.
21 ч 24 мин, 12 июл 1977 г.
~ 3 months and 11 days