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National Center for Atmospheric Research (NCAR) Research Data
National Center for Atmospheric Research (NCAR), Scientific Computing Division
The National Center for Atmospheric Research provides a computer-accessible archive for use by scien...
Aerial Photographs
Tennessee Valley Authority
Black-and-white panchromatic, color and color-infrared aerial photographs of areas within the Tennes...
Miscellaneous Investigations Series Maps (I Series)
US Department of the Interior (DOI), US Geological Survey (USGS)
Maps (mostly multicolored) on planimetric or topographic bases showing regular and irregular areas; ...
1:100,000 Scale Surface Management Status Edition
US Department of the Interior (DOI), Bureau of Land Management (BLM)
Standard national map series showing public lands administered by the Bureau of Land Management (BLM...
Soil Survey Geographic Database (SSURGO)
US Department of Agriculture (USDA), Natural Resources Conservation Service (NRCS)
Field mapping methods using national standards are used to construct the soil maps in the Soil Surve...
National Geologic Map Database
US Department of the Interior (DOI), US Geological Survey (USGS), National Cooperative Geologic Mapping Program
This is a PROTOTYPE version of a Database which provides access to maps and other spatially referenc...
Other Format Maps
US Department of the Interior (DOI), US Geological Survey (USGS)
The United States Geological Survey (USGS) publishes maps in non-quadrangle format. These maps incl...
Geomagnetic Observatory Data
US Department of Commerce (DOC), National Oceanic and Atmospheric Administration (NOAA), National Environmental Satellite, Data, and Information Service (NESDIS)
Geomagnetism, the oldest branch of geophysics, has been used for centuries as an aid to navigation. ...
Surface Water Maps
US Department of the Interior (DOI), US Geological Survey (USGS)
The surface Water and Related Land Resources Development Map includes the United States and Puerto R...
Global Land Information System (GLIS)
US Department of the Interior (DOI), US Geological Survey (USGS)
USGS products can be searched for and indexes can be requested online using EROS Data Center's Globa...
Powers Elevation Co., Inc.
Powers Elevation Co., Inc.
Provides maps, including: topographic; topographic-bathymetric; land use and land cover; orthoph...
National Water Conditions (Report Series)
US Department of the Interior (DOI), US Geological Survey (USGS)
Reports provide monthly summary information on Hydrologic conditions. This monthly summary of water...
ARC Digitized Raster Graphics (ADRGs)
US Department of the Interior (DOI), US Geological Survey (USGS)
ARC Digitized Raster Graphics (ADRGs) are digital raster representations of selected charts on CD-RO...
National Water Summary (Report Series)
US Department of the Interior (DOI), US Geological Survey (USGS)
Reports provide summary hydrologic information nationally, and for each State. Each report concerns ...
NOAA National Oceanographic Data Center (NODC)
US Department of Commerce (DOC), National Oceanic and Atmospheric Administration (NOAA), National Environmental Satellite, Data, and Information Service (NESDIS)
All data produced by the National Oceanographic Data Center (NODC) are geographically referenced. N...
Earth Science Information Centers (ESICs)
US Department of the Interior (DOI), US Geological Survey (USGS)
Earth Science Information Centers (ESICs) offer nationwide information and sales service for USGS ma...
Wilderness and Special Area Maps
US Department of Agriculture (USDA), Forest Service (FS)
The Special Area Maps coincide with USGS 7.5-minute quadrangle maps, but may conform to other geogra...
Digital Line Graphs (DLGs)
US Department of the Interior (DOI), US Geological Survey (USGS)
Digital representations by points, lines and areas of planimetric information derived from 7.5- and ...
USGS Information Services
US Department of the Interior (DOI), US Geological Survey (USGS)
The production of digital cartographic data and graphic maps comprises the largest component of the ...
Seismology
US Department of Commerce (DOC), National Oceanic and Atmospheric Administration (NOAA), National Environmental Satellite, Data, and Information Service (NESDIS)
A broad array of data obtained from earthquakes categorized in data bases, archived by National Geop...
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