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| GeoCommunity Mailing List |
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| Mailing List Archives |
| Subject: | Re: GISList: USA Surface Geology |
| Date: |
08/02/2001 03:12:51 PM |
| From: |
Bill Thoen |
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Diane True wrote:
>
>...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.
You might try ftp://greenwood.cr.usgs.gov/pub/open-file-reports/.
Buried in here are the Wyoming, Colorado, New Mexico, Nevada
--and maybe others-- surface geology maps in E00 format. THese
wouldn't be very large scale (they cover a whole state), but it
may be useful as a first approx.
Since the USGS is giving away its option to serve public data
online to private companies, you'd better get these quick before
you have to pay a fee to download them with any speed.
--
- Bill Thoen
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GISnet, 1401 Walnut St., Suite C, Boulder, CO 80302
tel: 303-786-9961, fax: 303-443-4856
mailto:bthoen@ctmap.com, http://www.ctmap.com/gisnet
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