CIA World Factbook - provides brief information about a country's population, ethnicity, politics, and economics.
Current Geographical Publications - additions to the Research Catalogue of the American Geographical Society Collection at the Golda Meir Library, University of Wisconsin-Milwaukee.
Geographical Resources and Maps - national and international information and maps and GIS links from the Michigan Electronic Library.
Map Projections - introduction, explanation, and image-examples of map projections.
National Wetlands Inventory Center - information on the characteristics, extent, and status of wetlands and deepwater habitats from the US Fish & Wildlife Service.
United States Postal Service - ZIP+4 Lookup, City/State/ZIP Code Lookup, State Abbreviations, Street Suffix Abbreviations.
