prepared by the Environment and Natural Resources Policy Division, Congressional Research Service, Library of Congress, [by Warren Viessman, Jr. and Christopher K. Caudill] at the request of Frank Church, chairman, Subcommittee on Energy Research and Water Resources of the Committee on Interior and Insular Affairs
prepared by the Environment and Natural Resources Policy Division of the Library of Congress for the House Committee on Interstate and Foreign Commerce
prepared by the Environment and Natural Resources Policy Division of the Congressional Research Service of the Library of Congress for the Committee on Public Works, U.S. Senate
prepared by the Environment and Natural Resources Policy Division of the Congressional Research Service of the Library of Congress for the Committee on Environment and Public Works, U.S. Senate
prepared by the Environmental and Natural Resources Policy Division of the Congressional Research Service of the Library of Congress for the Committee on Environment and Public Works, U.S. Senate