1.   Government officials say the dam will provide huge benefits by controlling floods, providing clean energy and opening the interior to shipping.

2.   The dam also provides flow control and electric power in the Southwest.

3.   The issue is whether it takes a dam to provide that protection.

4.   The two dams provide a portion of the electricity used by the Daishowa America Pulp Mill in Port Angeles.

5.   Three dams provide drinking water to Monterrey and a healthy chunk of irrigation water to farms in Tamaulipas.

6.   Often the same dam provided water for energy, irrigation and town supplies.

7.   The Ahning dam provides water for domestic use in the State and for a portion of agricultural needs.

8.   The other two dams provide water for agricultural needs.

9.   Dukan dam provides electricity to Iraqi Kurdistan.