These products and services include information about the Earth's natural and cultural features, base maps and special maps in several scales, digital cartographic data, aerial photographs and other remotely sensed data. National Mapping Information site contains information about mapping products and services, geospatial data standards, and educational resources. U.S.G.S. also maintains a GIS tutorial page . MapInfo develops and markets PC-based mapping software. Demo versions of their software is available at this site.
Demo versions are available.
GeoSystems Global Corporation brings you MapQuest . This software allows you to locate and explore millions of towns and cities anywhere in the world and view, customize, save, and print high-quality, detailed maps. LandView II , from the Environmental Protection Agency, is a geographic reference, similar to an atlas. It displays EPA-regulated sites, demographic and economic information from the 1990 Census, and key geographic features of the United States. LandView III will be released in the Fall of 1997.