1.   Upstream dams and the elimination of environmentally beneficial floodwaters have also altered habitat along the river.

2.   Upstream dams hold back the river in the spring so farmers like Waters can use heavy machinery to plant corn in the flood plain.

3.   Water levels at Albany were expected to rise again over the weekend when the dam upstream at Lake Blackshear releases more water, Assistant City Manager John McDonough said.

4.   When water is released from an upstream dam, it thunders through a canyon with walls of green that seem to jump to the sky.

5.   Rescuers were trying to hold water back at an upstream dam to reduce the flow, and officials were hopeful dive teams would begin search operations Sunday afternoon.

6.   The sun was out Monday, but almost incessant rains that began in mid-September have repeatedly flooded coastal communities and filled upstream dams to the bursting point.

7.   With heavy rains causing dams upstream to discharge water from swollen reservoirs, officials issued a flood warning along the Han River, which bisects Seoul.

8.   With heavy rains causing dams upstream to discharge water from swollen reservoirs, the Han River, which bisects the capital, rose dangerously high, city officials said.

9.   With heavy rains causing dams upstream to discharge water from swollen reservoirs, officials issued a flood warning along the downstream Han River, which bisects Seoul.

10.   With heavy rains causing dams upstream to discharge water from swollen reservoirs, the Han River rose dangerously high, city officials said.