GeoGraphics Save
Provides custom maps, drawings, and technical illustrations. Provides links to publications and images.
http://www.btinternet.com/~simon_tapp...   

Geologic Data Systems Save
Works with petroleum companies to make precise geological maps.
http://www.gdata.com/   

Geology of Greenland Map Series Save
Geological survey of Denmark and Greenland. All maps are compiled on CD.
http://www.geus.dk/departments/geol-m...   

USGS NAWQA Digital Maps Save
National Water-Quality Assessment provides digital maps for a variety of themes.
http://water.usgs.gov/nawqa/digmap.html   

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