Online map system providing downloadable geospatial data, primarily NSDI framework themes (that is, general geographic data such as transportation, boundaries, hydrography, orthoimagery, land cover, and elevation).
Homepage for ISGS Spatial Data Transfer Standard (SDTS) information with links to software, FTP site, standard, and data available on line, USGS mass conversion schedule, meetings, and related web sites.
Interactive Mapping Service (IMS) is an Internet based Geographic Information System designed to provide users with online mapping capability of habitats, land use and land cover, and seagrass for areas of Tampa Bay.
Homepage describing The National Map, which will produce a seamless, continuously maintained set of public domain geographic base information, with links to map viewer, pilot projects, reports, fact sheets, and national atlas.
National Map Viewer, a GIS application, is a Web-enabled portal to the geospatial information contained in The National Map. It supports on-line access and allows the download of digital data and creation of cartographic products.