On October 22, 1979, Congress members listened to testimony about the difficulties faced by Diné (Navajo people) living on the land that was contaminated by the Church Rock Uranium mine spill. The Church Rock mine was the country's largest…

After World War II, uranium mined in New Mexico was used to fuel nuclear weapons and power plants. The process was toxic for employees who worked with the radioactive materials and the mines also posed risks for nearby communities. In 1979, the dam…