1.   Above the federal dam at Troy, N.Y., the Hudson is a purely freshwater river.

2.   But the Grand Canyon experiment is said to be the first involving a big federal dam in the West.

3.   In Washington state, for example, where salmon are an endangered species, Bush says he would pursue technological improvements to federal dams to help fish swim past.

4.   Or the placid waterway that doubles as the Champlain canal, or the moody arm of the sea beyond the federal dam at Troy.

5.   Soon, Portland General will be able to generate electricity cheaply from federal dams in Oregon and Washington and sell it in California.

6.   Spain, in his testimony, repeatedly cited loss of habitat and damage done to salmon by federal dams on the Columbia.

7.   The agency, part of the Department of Energy, markets the power from federal dams on the Columbia River system.

8.   The dispute could have major ramifications for the Pacific Northwest and ultimately increase pressure for the breaching of four federal dams on the lower Snake River.

9.   The project, opposed by environmental groups, would have been the most expensive federal dam ever built.

10.   The release of water from the federal dams does have something to do with the high waters around Villahermosa.