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1 ene 1976 año - Surface Mining Control & Reclamation Act

Descripción:

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.

Añadido al timeline:

29 ago 2017
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1409

fecha:

1 ene 1976 año
Ahora mismo
~ 49 years ago

Fotos: