Cover title. "July 14, 1986." "Environment and Natural Resources Policy Division." Includes statistical tables. "HD 9130."
Bibliography Note
Includes bibliographical references.
Reproduction Note
Microfilm. Frederick, MD : University Publications of America, 1987. on 1 microfilm reel ; 35 mm. Low reduction. (Major studies and issue briefs of the Congressional Research Service. 1986-1987 supplement ; reel 12, fr. 000541).