21.   After the dams were built, more people started living in permanent residences close to the river.

22.   Although Congress intervened and allowed the dam to be built, the case proved costly for the TVA, both in money and bad publicity.

23.   But, as an old Arizona politician, he supported a bid by the Bureau of Reclamation to build two dams in the Grand Canyon.

24.   Dams were built and subsidized by the federal government, regardless of environmental costs.

25.   Doolittle said he thought the dam could be built to withstand all but the most severe earthquake.

26.   Environmentalists, who historically have argued that the state should maximize conservation before building more dams, are worried about fast-tracking the Shasta and Los Vaqueros enlargements.

27.   Franklin D. Roosevelt left a massive presidential imprint on the region, building great dams on the Columbia River and creating Olympic National Park.

28.   He built small dams on mountain streams to irrigate his grain.

29.   He felt sure that if such preliminary dams were built, a mega-dam could still be constructed in the future.

30.   I worked in the rice fields and helped dig canals and build dams.