TY - BOOK CN - Y 4.G 74/7: CY - Washington : DA - 1990. ID - 172911 KW - Hazardous substances KW - Hazardous substances KW - Railroads N1 - Distributed to some depository libraries in microfiche. N1 - Shipping list no: 90-519-P. PB - U.S. G.P.O. : PB - For sale by the Supt. of Docs., Congressional Sales Office, U.S. G.P.O., PP - Washington : PY - 1990. T1 - Transportation of hazardous materials by rail :hearing before Government Activities and Transportation Subcommittee of the Committee on Government Operations, House of Representatives, One Hundred First Congress, second session, February 28, 1990. TI - Transportation of hazardous materials by rail :hearing before Government Activities and Transportation Subcommittee of the Committee on Government Operations, House of Representatives, One Hundred First Congress, second session, February 28, 1990. ER -