Public domain. OS maps become public domain 50 years after first publication, and include any subsequent reprint of the original, official or otherwise. Any republication from the original with adaptions, additions, redrawing, manipulation or incorporation into other images or media can only be, at best, Creative Commons share-alike.
Licensing
Public domainPublic domainfalsefalse
This work is in the public domain in its country of origin and other countries and areas where the
copyright term is the author's life plus 70 years or fewer.