4.196/11 90-28 FEDERAL WATER POLLUTION CONTROL (90-28) HEARINGS BEFORE THE COMMITTEE ON PUBLIC WORKS HOUSE OF REPRESENTATIVES NINETIETH CONGRESS SECOND SESSION ON H.R. 15906 and Related Bills TO AMEND THE FEDERAL WATER POLLUTION CONTROL t. FEDERAL WATER POLLUTION CONTROL ACT AMENDMENTS-1968 (90-28) HEARINGS BEFORE THE COMMITTEE ON PUBLIC WORKS HOUSE OF REPRESENTATIVES NINETIETH CONGRESS SECOND SESSION ON H.R. 15906 and Related Bills TO AMEND THE FEDERAL WATER POLLUTION CONTROL 94-376 APRIL 23, 24, 25, AND MAY 2, 1968 Printed for the use of the Committee on Public Works U.S. GOVERNMENT PRINTING OFFICE WASHINGTON: 1968 |