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USDA-Natural Resources Conservation Service
Provides links to conservation service offices in Fort Worth, Texas.
NASA's Global Change Master Directory
A comprehensive directory of information about Earth science data, including a broad coverage of the oceans, atmosphere, hydrosphere, solid earth, biosphere and human dimensions of global change.
Cartographic bookmarks
Over 10,500 links to sites with and about maps.
Maps and Geography
Map machine of National Geographic
Soil and Water Conservation Society
A non-profit, scientific and educational organization of professional conservationists.
Physical Geography on the Internet.
A wide choice of links to sites dealing with earth surface features including natural hazards.
Iowa Geological Survey Bureau, USA
Website of the Geological Survey Bureau of the Iowa Department of Natural Resources, including a Geologic Sample Database (GEOSAM)with geologic information for 35,000 locations in Iowa.
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