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| GeoCommunity Mailing List |
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| Mailing List Archives |
| Subject: | GISList: Downloading DRGs sum |
| Date: |
05/06/2002 09:53:08 AM |
| From: |
Randy O'Boyle |
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I received a few replies from my question regarding other locations to find
free DRGs.
Search the state web site that DRGs are needed. Most states have something
available, but they are sometimes hard to find.
www.mapmart.com Free DRGs are not available, that I can find. DRGs can be
purchases with collars for a $1 and without collars for $2.
http://mcmcweb.er.usgs.gov/drg/free_drg.html This site has free DRGs no
questions asked. It doesn't appear that there is a complete list of states.
This is a compilation of links to sites with free DRGs.
One reply mentioned reo.gov, the above website has a link to reo.gov for
Oregon and Wahsington.
This from Glenn Letham is a useful hint,
"The USGS also has DRGs available, as do a number of State and local
government sites. A simple search on state name+DRG should yield some useful
hits... try this at search.geocomm.com using the "other sites" option."
Some helpful ideas from Robert Heitzman,
California DRGs are available via http://gis.ca.gov although these are in
the Teale projection used for other CA statewide GIS data available at the
same site.
http://www.topowest.com/ "The Free Topo Foundation" provides an index of
free DRGs which has links to the Internet sites that at least once upon a
time had free download files. They appear to have most of the topos at
reduced resolution, with world files, available from their site. I haven't
tried to georegister any of these so... The also have the USGS metadata for
each topo which is pretty rare.
Thanks for the help from everybody who responded,
Randy
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