The geographical co-ordinates provided are sourced from details provided by the Royal Commission on the Ancient and Historical Monuments in Scotland (RCAHMS) and Ordnance Survey publications.
tHE geograpHicaL co-ordInateS Provided are SoUrceD From detaIls PROVideD by tHe roYal commissioN on thE aNCienT and HistorICal MoNuMeNtS iN sCOtlanD (RcAhMS) aNd oRDnanCE sUrVey pUBlIcatIons.