[Imports] Fwd: Marin County data license

Martin Koppenhoefer dieterdreist at gmail.com
Fri Oct 31 11:06:17 UTC 2014

2014-10-31 11:54 GMT+01:00 Serge Wroclawski <emacsen at gmail.com>:

> So let me explain why it's contradictory. Public domain is a term of
> art. If something is public domain, you can place *no* restrictions on
> it. You can't say that there's a requirement for attribution. You can
> even take a public domain work and claim copyright ownership over it.

Serge, by looking at their reply I'm not sure it contains any restrictions:

"You may download public domain data from the MarinMap GIS data download
> site.
> You do not need a license to use public domain data.
> You may acknowledge “MarinMap” as the original source, but you MUST state
> that MarinMap has no responsibility or warranty regarding data after they
> have entered the public domain.
> You may use the legalese from the disclaimer web page to facilitate
> writing a disclaimer.
> URL of the disclaimer page:
> http://www.marinmap.org/dnn/Pages/LegalNoticeDisclaimer.aspx"

They say you might (even though you don't have to) attribute them, but if
you attribute you must make clear that there is no implied warranty.

On the linked page they also state: "
*Most map data, especially parcels, are not survey precise." *
this is a hint that the quality might not be as good as what we typically
have in OSM (at least in areas which haven't suffered from bad imports)

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