A:
Army Geospatial Center - Support the Army's LandWarNet / Battle Command concepts, capabilities, and systems and provide direct geospatial support and products to Warfighters. [U.S. Department of Defense (DOD), Department of the Army, US Army Corps of Engineers]

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]

CropScape - Online geospatial exploring tool, derived from satellite image observations. Provides interactive visualization and facilitates geospatial queries. [U.S. Department of Agriculture (USDA), National Agricultural Statistics Service]

Cumulus Portal for Geospatial Data - 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)]

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 Enterprise GIS Service - Full range of GIS services to all FEMA program offices [U.S. Department of Homeland Security (DHS), Federal Emergency Management Agency (FEMA)]

Famine Early Warning System (FEWS) NET Data Portal - The USGS FEWS NET Data Portal provides access to geo-spatial data, satellite image products, and derived data products in support of FEWS NET monitoring needs throughout the world. [U.S. Agency for International Development (USAID); U.S. Department of the Interior (DOI), U.S. Geological Survey (USGS), Early Warning and Environmental Monitoring Program]

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

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]

H:
Hydroacoustics (OSW) - Provides information on hydroacoustic technologies such as Doppler instruments and their use within the U.S. Geological Survey and elsewhere. [U.S. Department of the Interior (DOI), U.S. Geological Survey (USGS)]

I:
Integrated Wild Bird Surveillance Database - Analysis and visualization of wild birds examined for presence or absence of avian diseases. [U.S. Department of the Interior (DOI), U.S. Geological Survey (USGS), National Wildlife Health Center]

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:
Mapping Water Use from Space - Webcast - Webcast of a talk at the Library of Congress. Martha Anderson, PhD., talks about using images from the Landsat satellite program to monitor water use and drought on U.S. farms. It is used to measure evapotranspiration, the total amount of water used in the process of growing crops. [U.S. Library of Congress (LOC)]

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)]

My Winter in Greenland and Summer in Antarctica - Webcast at Library of Congress by Dr. Lora Koenig.,Cryospheric Sciences Laboratory at NASA, speaking about experiences spending months on the ice in challenging darkness, temperatures and winds. [U.S. Library of Congress (LOC)]

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)]

National Map - Resource for topographic information on the U.S. including orthoimagery (aerial photographs), elevation, geographic names, hydrography, boundaries, transportation, structures, and land cover. [U.S. Department of the Interior (DOI), U.S. Geological Survey (USGS), National Geospatial Program]

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

North American Breeding Bird Atlas Explorer - Bird breeding survey maps and information for the US and Canada. [U.S. Department of the Interior (DOI), U.S. Geological Survey (USGS), Patuxent Wildlife Research Center]

P:
Projects in Afghanistan - Describes the U.S. Geological Survey's research in Afghanistan including information on oil and natural gas resources, minerals, water, and geological hazards. [U.S. Department of the Interior (DOI), U.S. Geological Survey (USGS)]

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)]

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)]

U.S. Geological Survey 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]

U.S. Geological Survey Rolla Center - Includes: National Geospatial Technical Operations Center, Missouri Water Science Center, National Spatial Data Infrastructure Partnership Office Liaisons, Rolla Science Information Services, and Rolla Publishing Service Center. [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)]

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)]