You are invited to join us online or in person for *Carto-Cymru — The Wales Map Symposium 2023 — 'Mapping the nation'* Held by The National Library of Wales and The Royal Commission on the Ancient and Historic Monuments of Wales, in association with The Charles Close Society for the Study of Ordnance Survey Maps, at The National Library of Wales, on *Friday 12th May 2023*. The theme of this year's event is 'Mapping the nation' – exploring the work of the Ordnance Survey, how approaches to mapping the landscape have changed over time and how historical OS maps can help us to understand our physical environment both past and present. *Programme for the day:* 10 am Welcomeby PedrapLlwyd, Librarian & Chief Executive, The National Library of Wales 10.15'Excavating' the Map: Landscapes of the Early Ordnance Survey in Great Britain and Ireland – Keith Lilley, Professor of Historical Geography, Queen’s University, Belfast. 11.00The Blue & Black MS Drawings for the 1:2500 – Dr RobWheeler, Honorary Secretary, Charles Close Society. 11.45Mapping the milestones in Ordnance Survey’s history– Jess Baker, Technical Relationship Consultant, Ordnance Survey. 12.30Lunch 2.00 The Meresmenand the Parish Boundaries of Wales – Scott Lloyd, Royal Commission on the Ancient and Historical Monuments of Wales. 2.45Not just maps of Wales: OS mapping at the National Library– Huw Thomas, Map Curator, The National Library of Wales. 3.25Afternoon break 3.45Wales on the Map – Mike Parker. 4.30Closing address by Christopher Catling, Secretary and Chief Executive, Royal Commission on the Ancient and Historical Monuments of Wales. Tickets are £15 online and £25 in person (including buffet lunch) To book tickets visit: Online: https://www.ticketsource.co.uk/llgcnlw/t-moearax In person: https://www.ticketsource.co.uk/llgcnlw/t-avzoydk We look forward to seeing you there. -- Logo LlGC - NLW Logo Ellie King hi/honna | she/her Curadur Cynorthwyol Mapiau| Assistant Map Curator Llyfrgell Genedlaethol Cymru | The National Library of Wales Aberystwyth, Ceredigion SY23 3BU 01970 632 435 | [log in to unmask] <mailto:[log in to unmask]> | www.llyfrgell.cymru <https://www.llyfrgell.cymru/> Mae croeso i chi ohebu ā ni yn Gymraeg. Byddwn yn ateb yn Gymraeg ac ni fydd gohebu yn Gymraeg yn arwain at unrhyw oedi. Hapus i siarad Cymraeg Facebook <http://www.facebook.com/pages/Aberystwyth-United-Kingdom/Llyfrgell-Genedlaethol-Cymru-The-National-Library-of-Wales/12684193278?v=wall> Twitter <http://twitter.com/llgcymru> YouTube <http://www.youtube.com/user/llyfrgen> Flickr <http://www.flickr.com/photos/llgc/> Instagram <https://www.instagram.com/llgcymru/>