Department of Energy's facilities for defense materials production : hearing before the Subcommittee on Energy Research and Development of the Committee on Energy and Natural Resources, United States Senate, One Hundredth Congress, first session, on the public health and safety and environmental aspects of operation ... July 17, 1987.

Pt. 2 has subtitle: Hearings before the Committee on Energy and Natural Resources, United States Senate, One Hundredth Congress, first session, on the status of the Department of Energy's effects to address issues concerning the defense materials production reactors ... October 27 and 29, 1987.

Brown v. Board of Education of Topeka : Sumner and Monroe Elementary Schools : management alternatives study and environmental assessment.

"March 1992."

USGS geochemical studies outline mineral potential and environmental hazards in southeastern Oregon.

Mode of access: Internet.