I think that's "Rural Sanitary District".. Ruth in Hampshire > -----Original Message----- > From: kent-eng-bounces@rootsweb.com > [mailto:kent-eng-bounces@rootsweb.com] On Behalf Of Pauline Sims > Sent: 20 October 2013 11:54 > To: kent-eng@rootsweb.com > Subject: Re: [KENT-ENG] R.S.O. > > Dear Cathryn > > I could be terribly wrong on this, but I have seen similar > abbreviations, the RD usually meaning Rural District, and in > this case I think it might actually stand for Penshurst Rural > Sewage District ! > > Apologies if I have got it all wrong. > > Best wishes > Pauline Sims >