In a message dated 16/03/2004 08:54:05 GMT Standard Time, Stanmapstone@aol.com writes: > RSD usually means Rural Sanitary District. There is also USD Urban Sanitary > > District. > The Public Health Act (1872) mapped out England into Sanitary Districts, both Urban and Rural. The 1894 Local Government Act, turned the Sanitary boards into District Councils, still retaining the division of those in Urban and Rural areas. Regards Stan Mapstone