Cover title. "April 22, 1981." "Report number 81-98 ENR." "E 160 U.S. A." "Environment and Natural Resources Policy Division."
Bibliography Note
Includes bibliographical references.
Reproduction Note
Microfilm. Arlington, VA : University Publications of America, 1982. on 1 microfilm reel ; 35 mm. Low reduction. (Major studies and issue briefs of the Congressional Research Service. 1981-82 supplement ; reel 5, fr. 1235).