Map data sources
From Reporting Cookbook: www.forjournalists.com/cookbook
Contents |
[edit] National
National Atlas: http://www.nationalatlas.gov/. Offers numerous data files, including maps of political boundaries, cities and towns, Census data, transportation, environment, climate, geology and water.
Census 200 TIGER files Includes Census blocks, block groups, tracts, demographics, roads, landmarks and school districts.
- From the Census: http://www.census.gov/geo/www/cob/index.html
North American Transportation Atlas Data: http://www.bts.gov/publications/north_american_transportation_atlas_data/. Includes highways, airports, railroads and water ports. The site also offers a free data converter, http://www.bts.gov/publications/north_american_transportation_atlas_data/html/data_converter.html, to convert its data to common map formats, including Arcview.
USGS Seamless, http://seamless.usgs.gov/: "Seamless Data Distribution System (SDDS) enables a user to view and download many geospatial data layers, such as National Elevation Dataset, National Land Cover Dataset, High Resolution Orthoimagery, and many more."
USDA Geospatial Data Gateway, http://datagateway.nrcs.usda.gov/: "The Geospatial Data Gateway provides One Stop Shopping for natural resources or environmental data at anytime, from anywhere, to anyone. The Gateway allows you to choose your area of interest, browse and select data from our catalog, customize the format, and have it downloaded or shipped on CD or DVD."
National Land Cover Database, http://www.mrlc.gov/mrlc2k_nlcd.asp: "The National Land Cover Database 2001 (NLCD2001) is now available for all of the conterminous United States for download. The three products available are Land Cover, Tree Canopy, and Imperviousness. Land Cover refers to the classification of the land using the land cover definitions mentioned previously. Imperviousness refers to impenetrable surfaces such as rooftops, roads, or parking lots. Tree canopy refers to a layer or multiple layers of branches and foliage at the top or crown of a forest's trees."
[edit] States
[edit] California
California Spatial Information Library, http://gis.ca.gov/
[edit] Florida
University of Florida, Florida Geographic Data Library
[edit] Indiana
Indiana Spatial Data Portal, http://www.indiana.edu/~gisdata/
[edit] Kentucky
Kentucky Division of Geographic Information, http://ogi.ky.gov/
Kentucky Geography Network, http://kygeonet.ky.gov/
[edit] Massachusetts
Massachusetts Geographic Information System a.k.a. MassGIS, http://www.mass.gov/mgis/
[edit] New York
New York GIS Clearinghouse, http://www.nysgis.state.ny.us/
[edit] Oklahoma
Oklahoma Center for Geospatial Information, http://www.seic.okstate.edu/
University of Oklahoma Center for Spatial Analysis, http://geo.ou.edu/cgi-bin/redesign.cgi?ft=db&template=DataImageMap.htm
Oklahoma Geographic Information Council, http://okmaps.onenet.net/
[edit] Wisconsin
Wisconsin Land Information Clearinghouse, http://www.sco.wisc.edu/wisclinc/
[edit] International
United Nations Environment Programme GEO Data Portal: http://geodata.grid.unep.ch/. Its data list can be found at http://geodata.grid.unep.ch/extras/datasetlist.php
World and U.S. shapefiles from the CDC / Epi Info: http://www.cdc.gov/epiinfo/shape.htm. Boundary files for most if not all countries and states, current as of 1998. These are intended for use only with Epi Info and are not in the public domain, the site says.
National Geospatial-Intelligence Agency GEOnet Names Server: http://earth-info.nga.mil/gns/html/index.html. Names and map data for most places in the world.
