C:
Coastal and Marine Geology Program interactive map server - Interactive map server for viewing and creating maps using available coastal and marine geology data sets for offshore and coastal U.S. and the Gulf of Mexico with links to available data and metadata that can be downloaded. [Department of the Interior, U.S. Geological Survey (USGS), Coastal and Marine Geology Program]

F:
FEMA Mapping and Analysis Center - The Mapping and Analysis Center (MAC) provides national level Geographic Information System (GIS) support and coordination to the Agency. [Ad Hoc Organizations, Federal Emergency Management Agency (FEMA)]

Formal series reports - Site contains listings of new USGS publications by month as well as links to online USGS books, reports, and pamphlets [Department of the Interior, U.S. Geological Survey (USGS), Eastern Publications Group]

G:
GISDATA Web Mapping Portal - Access to public web map services and interfaces developed at the EROS Data Center searchable by keywords and categories (map interfaces, related sites, projects, and data) with latest news items and updates. [Department of the Interior, U.S. Geological Survey (USGS)]

Geodata.gov - One stop for Federal, State, & Local Geographic Data. [Department of the Interior]

Geographic Information Systems (GIS) Web Sites - Gateway to hundreds of government and commercial sites [Department of Defense (DOD), Department of the Army, Topographic Engineering Center]

Geospatial Multi-Agency Coordination (GeoMAC) wildland fire support - 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. [Multiple agencies involved, Department of Agriculture, Department of the Interior]

Geospatial Sciences Center - Provides accurate and timely expert analysis of worldwide gravity, satellite and positional information [Ad Hoc Organizations, National Imagergy and Mapping Agency (NIMA)]

Great Basin Information Project - Provides consolidated and efficient access to biological information, maps and images about the Great Basin and the Columbia Plateau Regions. [Department of the Interior, U.S. Geological Survey (USGS), National Biological Information Infrastructure]

L:
Landsat Image Mosaic of Antarctica (LIMA) - The first-ever true-color high-resolution satellite view of the Antarctic continent enabling everyone to see Antarctica as it appears in real life [National Aeronautics and Space Administration (NASA)]

M:
Maps and Atlases - Provides information about map and atlas publications available for sale from the U.S. Government Bookstore [Government Printing Office]

Mid-Continent Mapping Center - Overview of the Mid-Continent Mapping Center, Rolla, Missouri, a production, research, and data management facility for maps and digital cartographic data products, with links to directions, programs, mapping products, and visitors' center. [Department of the Interior, U.S. Geological Survey (USGS), Mid-Continent Mapping Center (MCMC)]

N:
National Cooperative Geologic Mapping Program (NCGMP) - Homepage link components: FEDMAP for federal mapping projects, STATEMAP for state geological survey projects, and EDMAP for geologic mapping education projects [Department of the Interior, U.S. Geological Survey (USGS)]

National mapping information - 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 [Department of the Interior, U.S. Geological Survey (USGS)]

Navigation - Provides information about navigation publications available for sale from the U.S. Government Bookstore [Government Printing Office]

R:
Rocky Mountain Mapping Center in Denver, CO - Home page with mapping activities in the western U.S. with links to research activities, products, mapping liaisons, and education [Department of the Interior, U.S. Geological Survey (USGS), Rocky Mountain Mapping Center]

S:
San Francisco Bay Area Regional Database (BARD) - Homepage for downloading or viewing Digital Elevation Models (DEMs), Digital Line Graphs (DLGs), Digtial Raster Graphics (DRGs), and Digital Orthophotos images with standards, NSDI description, and metadata [Department of the Interior, U.S. Geological Survey (USGS)]

Socioeconomic Data and Applications Center (SEDAC) - [National Aeronautics and Space Administration (NASA)]

T:
The Global Cancer Atlas Online - This interactive Atlas provides color maps, graphics, and charts on cancer around the world, as well as data on prevention strategies and cancer risk factors. [Department of Health and Human Services (HHS), Centers for Disease Control and Prevention (CDC)]

U:
U.S. Geological Survey (USGS), Department of the Interior - Homepage, serving as portal to all USGS information with search options, USGS in the news, most frequently requested topics, and access to major categories of USGS information [Department of the Interior, U.S. Geological Survey (USGS)]

USGS Landcover Institute - Homepage for the National Land Cover Data (NLCD), a land cover classification scheme, for the United States based on data derived from Landsat Thematic Mapper satellite data. Includes links to description, products, accuracy, and program partners [Department of the Interior, U.S. Geological Survey (USGS), Coastal and Marine Geology Program]

W:
Western Region geologic information - Links to geologic information on western states: Alaska, Arizona, California, Hawaii, Idaho, Nevada and Oregon including information on coastal and marine geology, mineral resources, earthquakes, landslides, earthquake hazards and geologic maps. [Department of the Interior, U.S. Geological Survey (USGS)]