There is a wealth of Geographic Information System (GIS) data available on the web — everything from public land boundaries to international contour files. It is amazing what you can find. A few examples:
I live in an area dominated by private timber lands. I found private timber company boundary files offered through this website.
Looking around for public land boundary files, I discovered that the California Department of Fish and Game owns a series of ecological reserves. Not only did I learn about this little known treasure, I found boundary files as well.
I was fortunate to be able to visit Ecuador a year ago. I used files from the %20to%20create%20a%20contour%20map%20of%20the%20country,%20that%20I%20was%20able%20to%20load%20onto%20my%20GPS%20receiver.%20I%20was%20able%20to%20find%20other%20sources%20showing%20roads,%20streams,%20cities,%20provincial%20boundaries%20and%20major%20volcanoes
http://www.cgrer.uiowa.edu/servers/servers_geodata.html
http://www.gisuser.com/content/view/607/28/ (use the clickable U.S. map)
http://www.gisuser.com/content/section/10/41
http://www.doylesdartden.com/gis/
January 24, 2006 in Maps, Software Permalink
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