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| GeoCommunity Mailing List |
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| Mailing List Archives |
| Subject: | Re: GISList: USA Surface Geology |
| Date: |
08/02/2001 03:36:55 PM |
| From: |
Glenn Letham |
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Diane,
you might need to work your way down via the State level,
for example, in Illinois you can get more precise data at
http://www.inhs.uiuc.edu/nsdihome/webdocs/st-geolb.html
there's a number of State data providers listed at
http://www.gisdatadepot.com/datafeature/
and I have resources for all the other states as well,
however, these haven't been posted yet.
hope this helps
Regards
Glenn
Diane True wrote:
>
> We are currently working on a project to create geolandforms for a large
> portion of the Central United States. We have 30 meter DEM's (NED)
> which we used to create the landforms, but we have not been able to come
> up with a good source for surface geology. We tried to manipulate the
> STATSGO soils polygons as a surrogate. However, we really couldn't come
> up with an acceptable way to get at parent material. Does anyone know
> of a free or reasonably priced source for geology that is available for
> all the coterminous US? We need 1:100,000 or better.
>
> http://www.cerc.cr.usgs.gov/morap/projects/landform_model/winter00update.htm
>
> TIA,
> dt
>
> --
> C.Diane True
> Missouri Resource Assessment Project
> http://www.cerc.cr.usgs.gov/morap/
> (USA voice) 573-875-5399
>
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