Review of the Bureau of Indian Affairs' Management of the $1.7 Billion Indian Trust Fund: Hearing Before the Environment, Energy, and Natural Resources Subcommittee of the Committee on Government Operations, House of Representatives, One Hundred First Congress, First Session, October 26, 1989

Environmental Protection Agency, Private Meetings and Water Protection Programs: Hearings Before a Subcommittee of the Committee on Government Operations, House of Representatives, Ninety-seventh Congress, First Session, October 21 and November 4, 1981

Department of Defense's Chemical Stockpile Emergency Preparedness Program (CSEPP): Hearing Before the Environment, Energy, and Natural Resources Subcommittee of the Committee on Government Operations, House of Representatives, One Hundred Third Congress, First Session, July 16, 1993

Delays and Weaknesses in EPA's Program to Ensure Proper Closure of Hazardous Waste Sites: Hearing Before a Subcommittee of the Committee on Government Operations, House of Representatives, One Hundredth Congress, First Session, December 15, 1987

Bureau of Indian Affairs' Management of the $2 Billion Indian Trust Fund: Hearing Before the Environment, Energy, and Natural Resources Subcommittee of the Committee on Government Operations, House of Representatives, One Hundred Second Congress, First Session, May 20, 1991, Volume 4

Mobil/Marathon Takeover: Hearing Before a Subcommittee on the Committee on Government Operations, House of Representatives, Ninety-seventh Congress, First Session, November 19, 1981

Nuclear Waste Burial Grounds and Storage Sites in Illinois: Hearings Before a Subcommittee of the Committee on Government Operations, House of Representatives, Ninety-fifty Congress, First and Second Sessions, December 9, 1977 and February 23, 1978

Continuing Failure to Adequately Manage the Indian Trust Fund: Hearings Before the Environment, Energy, and Natural Resources Subcommittee of the Committee on Government Operations, House of Representatives, One Hundred First Congress, Second Session, April 24 and September 25, 1990, Volume 4

Superfund Oversight: Ground Water Contamination in Western Pennsylvania : Hearing Before a Subcommittee of the Committee on Government Operations, House of Representatives, Ninety-eighth Congress, First Session, July 1, 1983

Nuclear Safety: Is NRC Enforcement Working? : Hearing Before a Subcommittee of the Committee on Government Operations, House of Representatives, Ninety-seventh Congress, First Session, December 14, 1981

Interior Park Acquisition Policies: Sweeney Ridge : Hearing Before a Subcommittee of the Committee on Government Operations, House of Representatives, Ninety-seventh Congress, First Session, January 29, 1982

Radiation Protection: Hearings Before a Subcommittee of the Committee on Government Operations, House of Representatives, Ninety-fifth Congress, Second Session, April 18, 19, and July 13, 1978

Problems in the Department of the Interior's Program for the Collection of Fees for the Abandoned Mine Land (AML) Fund: Hearing Before a Subcommittee of the Committee on Government Operations, House of Representatives, Ninety-ninth Congress, First Session, July 11, 1985

EPA's Efforts to Control the Nation's Worst Toxic Water Pollution Problems : Hearing Before the Environment, Energy, and Natural Resources Subcommittee of the Committee on Government Operations, House of Representatives, One Hundred Second Congress, First Session, July 25, 1991: Volumes 66-68

EPA'S Handling of the Marine Shale Case: Hearing Before the Environment, Energy, and Natural Resources Subcommittee of the Committee on Government Operations, House of Representatives, One Hundred First Congress, First Session, September 21, 1989, Volume 4

Weaknesses in the Department of Energy Financial Controls: Hearing Before a Subcommittee of the Committee on Government Operations, House of Representatives, Ninety-seventh Congress, First Session, November 12, 1981

The Columbia Dam, a TVA Project: Hearings Before a Subcommittee of the Committee on Government Operations, House of Representatives, Ninety-sixth Congress, Second Session, August 21, September 24 and 25, 1980

Problems with Clean Air Act Protection for National Parks and Wilderness Areas: Hearing Before the Environment, Energy, and Natural Resources Subcommittee of the Committee on Government Operations, House of Representatives, One Hundred First Congress, Second Session, March 9, 1990, Volume 4

DOE Failure to Release Oil Company Overcharge Funds: Hearing Before a Subcommittee of the Committee on Government Operations, House of Representatives, Ninety-seventh Congress, Second Session, March 24, 1982

Toxic Substances Control: Still Waiting After All These Years : Hearing Before the Environment, Energy, and Natural Resources Subcommittee of the Committee on Government Operations, House of Representatives, One Hundred Second Congress, Second Session, March 18, 1992