Please check back again. GeoRef provides access to over 1.8 million references to articles, books, maps, conference papers, reports, and theses, covering the geology of North America from 1785 to the present. It includes more than 3,500 journals in 40 languages and references to all publications of the U.S. Geological Survey. Census Bureau Tiger Map Sponsored by the U.S. Bureau of the Census, the goal of the project is to provide a public resource of high-quality detailed maps of the U.S. using geographic data in the public domain. The National Atlas of the United States of America provides a comprehensive, map-like view into the enormous wealth of data collected by the Federal Government.
Data includes socio-economic, demographic, and some environmental data.
The Map Machine Atlas offers maps, flags, facts and profiles for the countries of the world and the U.S. states. This dynamic site contains a vast array of information concerning today's world. Features Today's News, Book of the Week and Site of the Week. A site full of resources for anyone looking for maps. The site comprises links to electronic cartographic reference resources, electronic maps of current and general interest worldwide, historic maps and other map-related sites.