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

Mike Harris mikh43 at googlemail.com
Thu Nov 5 07:56:54 GMT 2009


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

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.

Mike Harris

> -----Original Message-----
> From: tagging-bounces at openstreetmap.org 
> [mailto:tagging-bounces at openstreetmap.org] On Behalf Of Dave F.
> Sent: 05 November 2009 03:03
> To: Tag discussion, strategy and related tools
> Subject: [Tagging] Sourced from somewhere it shouldn't have been
> Hi
> I've a railway that has source as from 7th series maps, which 
> aren't out of copyright yet.
> I think the user meant NPE (when was it introduced into OSM?)
> I can remove the tag from the current way but how do I remove 
> from all the historic items?
> I remember this problem being discussed recently but I'm 
> damned if I can find it.
> Cheers
> Dave F.
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