Unlike ER's previous public support for dam projects during the 1930s and 1940s, ER saw this dam, and others like it, as a threat to the United States' domestic and international security.
This is why in her last days, she fought courageously against it, alongside Native American activists and Tribal Leaders.
Most notably of her efforts, was her public protest against President Kennedy's Kinzua Dam Project, which as she claimed would favor the interests of a powerful few, but would harm a larger number of Seneca Nation Indians.
She supported and promoted an alternative plan, the Cattaraugus Conewango plan, and corresponded with advocates on either side of the Kinzua Dam debate to try to reach a compromise.
On June 2, 1960, ER wrote:
Here is one of the few columns that Eleanor Roosevelt wrote pertaining to the dam building projects on Native land: