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 h 34 min, 2 avr. 1977 ans – 21 h 24 min, 12 juill. 1977 ans)
Ajouté au bande de temps:
Date:
19 h 34 min, 2 avr. 1977 ans
21 h 24 min, 12 juill. 1977 ans
~ 3 months and 11 days