TY - BOOK ED - United States. TI - Transportation study: hearings before subcommittee, 81st Congress, 2d session, on transportation problems, Feb. 27-Mar. 3, 1950 PY - 1950/// CY - [Washington, D.C.] KW - Transportation KW - Research KW - United States N1 - Distribution made by issuing office; CRDP Program Historic Shelflist record ER -