TY - BOOK ED - United States. TI - Local enforcement of safety regulations: hearing, 80th Congress, 2d session, on H.R. 6147, May 4, 1948 PY - 1948/// CY - [Washington, D.C.] KW - Aeronautics KW - Safety measures KW - Law and legislation N1 - Document for sale by the Superintendent of Documents, paper, 20c; CRDP Program Historic Shelflist record ER -