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| GeoCommunity Mailing List |
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| Subject: | Re: [gislist] SUM: GIS data depot metadata |
| Date: |
10/19/2006 01:35:00 PM |
| From: |
Eric O'Neal |
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The links in this page will point you to a lot of free data as well.
http://gisdata.blogspot.com/2006/10/updated-state-data-centers-and.html
On 10/19/06, Bryan Keith <bryan@geomega.com> wrote:
>
> I received some helpful replies from David Lamb, Michael Carson, and
> Kevin Kleinjan.
>
> No one seemed concerned that GISDataDepot doesn't include metadata.
>
> Michael pointed out that this website [1] has the same files for
> Illinois that I found on GISDataDepot and has metadata (though still
> incomplete metadata (no datum info)).
>
> Kevin tracked down the coordinate system and photo date info that I was
> looking for. I was happy to see it agreed with what I found on [1].
>
> David pointed out this website [2] which has newer color orthoimagery
> than what I was looking at. I haven't had a chance to look at that
> imagery yet.
>
> Bryan
>
> [1] http://www.isgs.uiuc.edu/nsdihome/webdocs/doqs/
> [2] http://datagateway.nrcs.usda.gov/
>
>
> Bryan Keith wrote:
> > I must be going crazy, but maybe it's just Monday.
> >
> > I downloaded some orthophotos (DOQQs) from www.GISDataDepot.com for
> > Madison County, Illinois. They come as a zip file which contains 2
> > files: a sid image and a worldfile. I have searched and searched the
> > site, but I don't see any metadata. What coordinate system is this
> > image in? OK, I can guess, but I shouldn't have to guess. What data is
> > the photo taken? Much harder to guess...
> >
> > Thanks,
> >
> > Bryan
> >
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