Cover title. "December 7, 1987." "Environment and National Resources Policy Division." Includes statistical tables. "87-951 ENR."
Bibliography Note
Includes bibliographical references.
Reproduction Note
Microfilm. Frederick, MD : University Publications of America, 1988. on 1 microfilm reel ; 35 mm. Low reduction. (Major studies and issue briefs of the Congressional Research Service. 1987-88 supplement ; reel 5, fr. 00848).