- source "/data/imagery/gb/openmap-local/2020-04/os-openmap-local-2020-04-combined.vrt"
- copyright "Contains Ordnance Survey data © Crown copyright and database right 2020"
- extension "png"
+ source "/data/imagery/gb/openmap-local/2020-04/os-openmap-local-2020-04-combined-sea.vrt"
+ copyright "Contains OS data © Crown copyright and database right 2020"
+ extension "os_om_local_png"