in an explosion which killed 47 Mississauga train derailment (1979), a CP Rail freight train derailed, releasing hazardous chemicals Weyauwega, Wisconsin, derailment (1996), a Wisconsin Central Ltd. freight train derailed, releasing hazardous chemicals References 1986 disasters in the United States Train derailment Miamisburg train derailment Miamisburg train derailment Miamisburg train derailment Accidents and incidents involving Baltimore and Ohio Railroad Derailments in the United States Chemical disasters Environmental disasters in the United States Evacuations Miamisburg, Ohio Montgomery County, Ohio