COMMITTEE ON PUBLIC WORKS EIGHTY-EIGHTH CONGRESS SECOND SESSION 1964 CARD DIVISION FIELD HEARINGS HELD ON PROGRESS AND PROGRAMS RELATING TO THE ABATEMENT OF AIR POLLUTION LOS ANGELES, CALIF., JANUARY 27, 1964 Printed for the use of the Committee on Public Works 2 LOS ANGELES, CALIF., JANUARY 27, 1964 DENVER, COLO., JANUARY 29, 1964 CHICAGO, ILL., JANUARY 31, 1964 BOSTON, MASS., FEBRUARY 17, 1964 Printed for the use of the Committee on Public Works |