Clean Water Act (1 янв 1972 г. – 31 дек 1972 г.)
Описание:
The clean water act was enacted in 1972 to prevent flooding and contamination, to regulate the dumping of sewage, and to conserve wetlands and the other freshwater sources were use. This is significant as our nation's water has become significantly cleaner since, and we are on track to keep that level of cleanliness.Добавлено на ленту времени:
Дата:
1 янв 1972 г.
31 дек 1972 г.
~ 12 months