Science Information and Library Services (SILS)
If you need help finding, ordering, or using USGS products, or if you have questions about USGS science, contact the USGS Science Information and Library Services (SILS):
Phone: 1-888-ASK-USGS (1-888-275-8747)
E-mail:
ask@usgs.gov
Internet:
http://www.usgs.gov/ask
| Download Free Spatial Data from USGS & Partners |
Geodata.gov*
Portal for the Geospatial One-Stop (GOS) government initiative. Access geospatial information from all levels of government and from the public through one comprehensive and comprehensible portal. A marketplace for sharing and accessing data and other information resources.
http://gos2.geodata.gov
Seamless Data Distribution System*
Free seamless data: NED 30-m DEM (10m and 3m where available), NLCD land cover, high-resolution digital orthoimagery of urban areas, BTS roads, Shuttle Radar Topography Mission, Landsat mosaics, and MODIS. Data extracted at user-specified boundaries or as specified using The National Map Viewer.
http://seamless.usgs.gov
The National Map
Access to seamless, high-quality geospatial data and information from multiple partners. Surface elevation, boundaries, hydrography, geographic names, transportation, structures, high-resolution orthoimagery, and more. User-defined boundaries. Download free in increments up to 100 MB.
http://nationalmap.gov
USGS Hazards Data Distribution System (HDDS)*
A dynamic online map interface that can be used to view and download USGS datasets for national or international disasters including tsunamis, hurricanes, and earthquakes.
http://gisdata.usgs.net/website/disaster_response
GloVis (Global Visualization Viewer)*
Selected Landsat 4, 5 and 7 satellite data are available for free download. Download an entire scene, containing all bands, metadata, jpeg and header information in a single zipped file. Global database allows convenient preview of images and scene mosaics. For obtaining satellite data, GloVis is a bit more user-friendly than Earth Explorer.
http://glovis.usgs.gov
EarthExplorer*
Selected Landsat 4, 5 and 7 satellite data are available for free download. Users can download an entire scene, containing all bands, metadata, jpeg and header information in a single zipped format file. Locate products by name, coordinates, or define on map.
http://earthexplorer.usgs.gov
National Atlas of the United States
Interactive map with hundreds of free geospatial data layers for download. Most data are designed to depict patterns and trends on a national scale. A wealth of digital geographic information, and an outstanding educational tool!
http://nationalatlas.gov
USGS Geographic Data Download
Free USGS geographic data by quadrangle (not seamless!). NED, DEM, DLG, LULC, NLCD, NHD.
http://eros.usgs.gov/geodata
National Geologic Map Database
Find map-related publications and data by searching on location. Includes geology, hazards, earth resources, geophysics, geochemistry, geochronology, paleontology, and marine geology.
http://ngmdb.usgs.gov
Mineral Resources On-Line Spatial Data*
A source for regional and global Geology, Geochemistry, Geophysics, and Mineral Resource maps and data.
http://mrdata.usgs.gov
USGS Quaternary Fault and Fold Database
Geologic, geomorphic, and geographic information for about 2,000 Quaternary faults in the U.S. Download shape files.
http://earthquake.usgs.gov/regional/qfaults
Terraserver
View and download portions of USGS topographic maps and air photos (JPGs with world files).
http://terraserver-usa.com
NASA Zulu Landsat MrSID Imagery*
Free MrSID image server for Landsat 5 GeoCover compressed mosaics, 1990 and 2000.
https://zulu.ssc.nasa.gov/mrsid
Univ. of Arkansas Geospatial and Attribute Data Links*
Guide to mostly on-line and mostly free U.S. geospatial and attribute data. This is one of the best overall compilations of links.
http://libinfo.uark.edu/gis/datalinks.asp
CaSIL (California Spatial Information Library)
Free one-meter color DOQQs for the entire State of California. This is the first time that California has acquired one-meter natural DOQQs statewide in a single "season"/year.
http://new.casil.ucdavis.edu/casil/remote_sensing/naip_2005/
Global Land Cover Facility*
The best starting point for free satellite imagery: Landsat, MODIS, and ASTER imagery plus SRTM imagery.
http://glcf.umiacs.umd.edu
OhioView
A random list of Landsat 5 and 7 scenes for free download.
http://www.ohioview.org/search/browse-pathrow.html
Keck Earth Sciences and Mining Research Info Center
Free Landsat data for the Great Basin.
http://keck.library.unr.edu/data/landsat/pathrow.html
USGS EROS Image Gallery
A special collection of images that record events of historic significance, beautiful sights, and images that stir the imagination. Mostly satellite images, including the 'Earth as Art' and 'Earth as Art 2' collections.
http://edc2.usgs.gov/imagegallery
Landsat
The longest running enterprise for acquisition of moderate-resolution satellite imagery. Millions of images since 1972.
http://landsat.usgs.gov
Earthshots
An e-book of before-and-after satellite images showing recent environmental events. Includes detailed descriptions, list of references, and a question/answer. Great educational tool.
http://edc.usgs.gov/earthshots/slow/tableofcontents
USGS Planetary GIS Web Server (PIGWAD)
GIS tools for analyses of planetary datasets.
http://webgis.wr.usgs.gov
GIS Tools and Educational Resources
A wealth of information about Geography and GIS from Joseph Kerski, GIS Education Coordinator for the USGS.
http://rockyweb.cr.usgs.gov/public/outreach
Science in Your Watershed: GIS Education
A nice list of links to information on GIS basics.
http://water.usgs.gov/wsc/education.html
USGS Education Map Catalog
Browse samples of popular USGS printed maps.
http://rockyweb.cr.usgs.gov/outreach/mapcatalog
Historical Mapping Photos
View or download historical photographs of USGS topographers and cartographers at work.
http://online.wr.usgs.gov/outreach
USGS GIS Overview and Applications
http://erg.usgs.gov/isb/pubs/gis_poster
DLGV32 Pro
Free USGS software for viewing USGS digital data (DRGs, DEMs, DLGs, DOQs) and doing very limited manipulation and analysis. This is a limited-feature version of “Global Mapper.” PC only.
http://mcmcweb.er.usgs.gov/drc/dlgv32pro
USGS Publications Warehouse
Search bibliographic citations and obtain USGS products.Links to on-line sources for USGS publications, including maps.
http://pubs.usgs.gov
Map Express
View or download .pdf versions of USGS topographic map indexes. Click on free state indexes on the left.
http://mapexp.com
Status Graphics
Status of USGS mapping products.
http://geography.usgs.gov/www/products/status.html
National Land Cover Data
Land cover type at 30-meter resolution for conterminous United States, plus much more.
http://landcover.usgs.gov
National Hydrography Dataset
Comprehensive set of data that contains information about surface water for the United States.
http://nhd.usgs.gov
Geographic Names Information System
Search for geographic features by name.
http://geonames.usgs.gov
The National Map Corps Volunteer Program
Collect GPS data (on your own or as a classroom project) to help build a data layer for The National Map.
http://nationalmap.gov/TheNationalMapCorps
*Includes International data
