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. (19h 34min, apr 2, 1977 y – 21h 24min, jul 12, 1977 y)
Added to timeline:
Date:
19h 34min, apr 2, 1977 y
21h 24min, jul 12, 1977 y
~ 3 months and 11 days