Here are some suggested GIS clearinghouses to start you on your search for geospatial and numeric data. There are links to other geospatial data clearinghouses on the GIS subject guide and links to aerial photos on the Maps subject guide. If you need assistance with finding of using numeric data or statistical data sets use the Numeric data subject guide.
Numeric Data Services Librarian – Paul Bern – email@example.com - 443-1352
For all your statistical needs.
Maps/GIS Librarian – John Olson – firstname.lastname@example.org – 443-4818
For all you geospatial needs