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. [U.S. Department of the Interior (DOI), U.S. Geological Survey (USGS), Coastal and Marine Geology Program]

E:
Earth’s Water Cycle in a Changing Climate - Webcast of a presentation at the Library of Congress by Peter Hildebrand, chief of the Hydrospheric and Biospheric Sciences Laboratory at NASA Goddard Space Flight Center. [U.S. Library of Congress (LOC), Science, Technology and Business Division]

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. [U.S. Department of Homeland Security (DHS), Federal Emergency Management Agency (FEMA)]

Food Desert Locator - Maps food deserts and shows census tract-level statistics on population groups with low access to healthy food. Data is downloadable. [U.S. Department of Agriculture (USDA), Economic Research Service]

Food Environment Atlas - Assembles county-level statistics on food choices, health and well-being and community characteristics [U.S. Department of Agriculture (USDA), Economic Research Service]

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

Geo.Data.gov - One stop for Federal, State, & Local Geographic Data. [U.S. Department of the Interior (DOI)]

Geographic Information Systems (GIS) Map Room - GIS services, including, but not limited to, mapping and surveying [U.S. 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; U.S. Department of Agriculture (USDA); U.S. Department of the Interior (DOI)]

Geospatial Platform - Shared and trusted geospatial data, services, and applications for use by government agencies, their partners and the public. [Multiple agencies involved, Federal Geographic Data Committee]

Great Basin Information Project - Provides consolidated and efficient access to biological information, maps and images about the Great Basin and the Columbia Plateau Regions. [U.S. Department of the Interior (DOI), U.S. Geological Survey (USGS), Forest & Rangeland Ecosystems Science Center-Snake River Field Station]

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 [U.S. Government Printing Office (GPO)]

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. [U.S. Department of the Interior (DOI), U.S. Geological Survey (USGS), Mid-Continent Mapping Center (MCMC)]

N:
NGA: Office of GEOINT Sciences - Provides accurate and timely expert analysis of worldwide gravity, satellite and positional information [U.S. Department of Defense (DOD), National Geospatial-Intelligence Agency]

NRI Map Room - Presents maps and charts developed from the National Resources Inventory [U.S. Department of Agriculture (USDA), Natural Resources Conservation Service (NRCS)]

National Atlas - Nationalatlas.gov is the single best Federal source for national maps and geographic information on the Web. It contains an online map maker, dynamic maps, printable maps, articles, free geographic data, and additional resources for geographic information about the US [U.S. Department of the Interior (DOI); Multiple agencies involved]

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 [U.S. Department of the Interior (DOI), U.S. Geological Survey (USGS)]

National Geospatial Management Center - Provides geospatial data and services [U.S. Department of Agriculture (USDA), Natural Resources Conservation Service (NRCS)]

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

P:
Protected Areas Database of the United States - National database of federal and state conservation lands, containing the most current information about publicly held conservation lands (with conservation measures available) in the U.S. [U.S. Department of the Interior (DOI), U.S. Geological Survey (USGS), Core Science Analytics & Synthesis]

R:
Record Group 187: Records of the National Resources Planning Board, 1931 - 1943 - National Archives' Archival Research Catalog description for Record Group 187: Records of the National Resources Planning Board, 1931 - 1943 [U.S. National Archives and Records Administration (NARA)]

Record Group 23: Records of the Coast and Geodetic Survey, 1807 - 1967 - National Archives' Archival Research Catalog description for Record Group 23: Records of the Coast and Geodetic Survey, 1807 - 1967 [U.S. National Archives and Records Administration (NARA)]

Record Group 37: Records of the Hydrographic Office, 1754 - 1971 - National Archives' Archival Research Catalog description for Record Group 37: Records of the Hydrographic Office, 1754 - 1971 [U.S. National Archives and Records Administration (NARA)]

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 [U.S. Department of the Interior (DOI), 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 [U.S. Department of the Interior (DOI), 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. [U.S. Department of Health and Human Services (HHS), Centers for Disease Control and Prevention (CDC)]

The National Map - Topographic information for the Nation [U.S. Department of the Interior (DOI), U.S. Geological Survey (USGS)]

Topics: Maps and Geographic Materials - ARC contains descriptions of historical maps and cartographic data files as well as documents and photographs related to geography. [U.S. National Archives and Records Administration (NARA)]

Topics: Patents and Inventions - Historical documents related to patents and inventions provided through NARA's Archival Research Catalog [U.S. National Archives and Records Administration (NARA)]

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 [U.S. Department of the Interior (DOI), U.S. Geological Survey (USGS)]

US Geological Survey Core Science Systems - Includes the following programs: Biological Informatics Program, National Geospatial Program, Core Science Informatics, Libraries, National Cooperative Geologic Mapping Program, and National Geological and Geophysical Data Preservation Program. [U.S. Department of the Interior (DOI), 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 [U.S. Department of the Interior (DOI), 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. [U.S. Department of the Interior (DOI), U.S. Geological Survey (USGS)]