[OSM-talk] [Tagging] Sourced from somewhere it shouldn't have been

[Ævar Arnfjörð Bjarmason]

On Thu, Nov 5, 2009 at 7:56 AM, Mike Harris <mikh43 at googlemail.com> wrote:
> Dave
>
> May be wise to be careful here! I am deliberately cross-posting to 'talk'
> group given the potential importance of the issue.
>
> Why do you assume that Ordnance Survey 7th Series mapping is NOT out of
> copyright?
>
> As far as I know the Crown Copyright rule is 50 years.
>
> The 7th Series maps were published from 1952 to 1972 (with later revisions).
> My clock says it is 2009 now (;>)
>
> So if the source mapping happened to be one of the older ones (would need to
> know which individual sheet and revision) it could well be out of copyright
> and legitimate.
>
> I thought that the problem was more that the nice people at OSM hadn't got
> round to doing the rectification etc. to make the older 7th series mapping
> readily available as an overlay like the NPE.

The 7th series is being rectified and already available for use as a
backdrop in editors:
http://ooc.openstreetmap.org/?zoom=12&lat=56.35194&lon=-4.96982&layers=0B00