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#Usgs raster data zip file
#Usgs raster data archive
#Usgs raster data portable

1:100,000 and 1:250,000 scale quadrangles are in tables that approximate the shape of Illinois. File index: The USGS Topographic Map Index (5.2 MB) can assist you in locating a 1:24,000 scale quadrangle. Note: the USGS changed the name of the 1:24,000 Eaton Quadrangle to Porterville. Sample original USGS 1:250,000 quadrangle metadata for UTM data by zone.

Sample original USGS 1:100,000 quadrangle metadata for UTM data by zone. Direct access to The National Map data is provided via browsable links through: Amazon's Cloud USGS Server - Navigate to the appropriate theme folders to access staged products for download. USGS Digital Raster Graphics (DRG) DRG Metadata USGS Digital. Metadata: Sample original USGS 1:24,000 quadrangle metadata for UTM data by zone. US Topo and Historical Topo Map Collection.

#Usgs raster data zip file

zip file bundles contain: README.txt - a text copy of this file listing. USGS DRG data for Illinois are available free-of-charge via: an interactive map, a list of 1:24,000 scale quadrangles (1,071 files) for data download, a list of 1:100,000 scale quadrangles (51 files) for data download, and a list of 1:250,000 scale quadrangles (17 files) for data download. data and many other types of digital cartographic data.

#Usgs raster data portable

We do not plan to distribute uncompressed data files by any other means (cd-rom, zip drives, portable drives, ftp download, etc). Since April, 1979,we have maintained a formal agreement with the U.S. One uncompressed file is roughly 4 megabytes in size.Ī statewide collection of 1:24,000 scale quadrangle data requires about 2.6 Gigabytes of storage space. Includes Open File Reports, Miscellaneous Field Studies, and other USGS publications.Data files are offered as original USGS DRG.

Archived Soil Surveys and Manuscripts (as PDF's).

ICPSR - Inter-university Consortium for Political and Social Research.

Please note: many files are geometries only, without Census data attached.

The US Census Bureau distributes its national TIGER datasets in a variety of formats, including shapefiles and KML.

USGS National Land Cover Characterization.

National Land Cover Data 1992 30m single file coverage of the conterminous United States.

National Land Cover Data 2001 30m single file coverage of the conterminous United States.

Daily images from NASA's Aqua and Terra satellites.

Nicely curated selections of LANDSAT imagery over time with thematic groupings that include cities, forests, mining, and natural disasters, among others.

Earthshots: Satellite Images of Environmental Change.

#Usgs raster data archive

Please inquire with the Collaboratory.Īccess to the complete 40+ year archive of LandSat imagery.

Mid-1990s DOQQs for California are available on CD-ROM.

see also pages about MIL's aerial imagery collections.

Water Watch - Current Water Resources Conditions.

Real-Time Streamflow Data for the Nation.

Historical Streamflow Data for the Nation.

National Clearinghouses and Search Engines.

Collection of topographic maps, ready to use in a GIS.

Digital Raster Graphics from the California Spatial Information Library.

Technical information about the Teale DRG projection.

The files were originally created by the Teale Data Center (now the California Department of Technology).

Cal-Atlas has trimmed and untrimmed 7.5', 30' and 1 degree DRGs.

The current topographic maps are available only as geoPDFs from the USGS. Note: The links below are to USGS digital files produced in the early 1990s from paper maps produced from the 1960s through the 1990s.

The most common are 1:24,000 (7.5') USGS topographic maps. While itself a generic term, DRG typically refers to scanned versions of printed maps, particularly topographic base maps.GTOPO30 is also available on Esri's standard data pack.Both types of files can be opened directly in ArcMap, but there are slight differences in the data. These are 1990's 30m DEMs with elevations with Z values in whole meters.National Elevation Dataset information page.NED via the National Map Viewer replaces Seamless as of January, 2014.We also have a page about spatial data arranged by geography.