Comprehensive information providing an introduction to GIS technology, data gathering, modeling, information retrieval, and applications with colored maps, graphs, diagrams, and photos.
Portal to national mapping programs and products of the Geography Discipline with multiple links to databases, datasets, map products, National Map, National Atlas, GISDATA web, National Spatial Data Infrastructure, and geographic names.
Description of the Geospatial Multi-Agency Coordination (GeoMAC) project, online maps of current wildland fire locations using Netscape Communicator or Microsoft Internet Explorer, and user guide on how to use mapping application.
Homepage linking the historic journey of Lewis and Clark and the research of the USGS in the same region with links to mapping history, remarkable points on the Missouri River, educational activities, photo gallery, and publications.
Enables locating and ordering aerial photography produced under the National Aerial Photography Program (NAPP)from the EROS data center with links to product description, prices, search & order, custom enlargements and certification.
Home page of the Gap Analysis Program (GAP) providing assessments of the conservation status of native vertebrate species and natural land cover types of the U.S. Links to projects, applications, status maps, and a searchable database.
USGS Archive for preservation and access for satellite remote sensing data and imagery (Landsat and AVHRR). Links to locating and ordering imagery, international collaborators, advisory committee, and Earthshots (satellite photos.).
Portal to general information on the National Atlas of the United States with access for producing specialized maps and links to thematic maps including interactive maps, multimedia maps, map layers data warehouse, wall maps, and printable maps.
Information on the Gap Analysis Program in Ohio, a geographic approach to planning for biological diversity by mapping native aquatic and terrestrial animal species and natural communities on present-day conservation lands.
U.S. Department of the Interior |
U.S. Geological Survey