Ordnance Survey of England / engraved and published at the Ordnance Survey Office.Great Britain. Ordnance Survey[1886-1892]Abingdon --Aylesbury --Buckingham --Henley on Thames.Maps dated between 1886 and 1892.Oxford --Relief shown by spot heights.Sheet 219:Sheet 236:Sheet 237:Sheet 238:Sheet 253:Sheet 254:Thame --cartographic