Soviet engineers were also involved in making the Banqiao dam. This was part of the worst hydroelectric dam failure in history. In 1975, Banqiao and Shimantam Dam failures (171,000-240,000 deaths).

The most recent was the failure of the Tiware dam in India on 2 July after heavy rains, killing at least 19 people. The worst was in 1975, when an estimated 170,000 died after the failure of the ...

Opinions: Letters to the Editor Keep the nuclear frontier closed Monique DeVoe's article, "Reopening the Nuclear Frontier," (10/3) was one of the worst solutions to the energy crisis I have ever read.