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Geography
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Alexandria Digital Library Project
Building the digital earth
Cornell University Geospatial Information Repository (CUGIR): an FGDC Clearinghouse Node for New York State
Geo-Guide
National Geographic Xpeditions (Expeditions)
Perkins Geology Museum Digital Image Archive
The Gateway to Educational Materials (GEM)
ibiblio
Geography
SRI Digital Earth
FirstGov for Kids
Reference Extract - Social Sciences