Unless stated otherwise the Canmore dataset contains Ordnance Survey derived data which is delivered through Canmore website under the terms of the OPEN GOVERNMENT End User Licence. http://www.ordnancesurvey.co.uk/docs/licences/os-opendata-licence.pdf "Canmore-download-Fri, 29 Mar 2024 05:36:26 +0000.csv" CANMORE ID,SITE NUMBER,SITE NAME,SITE TYPE,SITE EASTING,SITE NORTHING,COUNCIL,COUNTY,PARISH,NGR,URL "1796","HY22NW 10","Brough Of Birsay","Chapel (12th Century), Settlement (12th Century)","323977","1028513","ORKNEY ISLANDS","ORKNEY","BIRSAY AND HARRAY","HY 23977 28513","http://canmore.org.uk/site/1796",