Mercury pollution and enforcement of the Refuse act of 1899. Hearings before a subcommittee of the Committee on Government Operations, House of Representatives, Ninety-second Congress, first session
Print Book, English, 1971-
U.S. Govt. Print. Off., Washington, 1971-
volumes illustrations 23 cm
257783
pt. 1 [Hearings held] July 1- 1971
pt. 2 [Hearings held] October 21 and November 5, 1971
pt. 3 [Hearings held] December 21, 1972