USGS Geospatial Data Sources https://www.usgs.gov/educational-resources/usgs-geospatial-data-sources
GIS data resources and datasets related to various natural events, such as volcanoes, earthquakes, wind, ocean data, etc.
The USGS serves the Nation by providing reliable scientific information to describe and understand the Earth; minimize loss of life and property from natural disasters; manage water, biological, energy, and mineral resources; and enhance and protect our quality of life.
David Rumsey Map Collection https://www.davidrumsey.com/
Considered one of the best sites for historical maps (digitized rasters) that can be added as layers in GIS
Esri’s Living Atlas of the World https://livingatlas.arcgis.com/en/home/
Considered one of the best curated resources for geospatial data sets, includes both GIS, satellite imagery, and real-time data
Free GIS Data https://freegisdata.rtwilson.com/
Extensive list of links to online GIS and RS datasets
GIS and Public Health at CDC - Geospatial Data Resources https://www.cdc.gov/gis/geo-spatial-data.html
GIS Resources specific to Center for Disease Control and Public Health
GIS Data https://researchguides.dartmouth.edu/gisdata/usdata
List of and llinks to GIS resources, provided by Dartmouth College
GIS Geography https://gisgeography.com/best-free-gis-data-sources-raster-vector/
10 Free GIS Data Sources: Best Global Raster and Vector Datasets
GIS Lounge https://www.gislounge.com/data-and-gis-resources/
Basic definitions of terminology related to GIS and RS; links to various data sets for both cultural and physical geography
Illinois Geospatial Data Clearinghouse https://clearinghouse.isgs.illinois.edu/
GIS and aerial imagery datasets for the state of Illinois – landcover, hydrology, etc. – includes lidar sets of elevation data for the state; google your state for a “GIS Clearinghouse” for similar data sets
National Hurricane Center and Central Pacific Hurricane Center https://www.nhc.noaa.g ov/index.shtml?epac
A site maintained by NOAA with real-time hurricane data
NOAA – National Ocean Service https://oceanservice.noaa.gov/dataexpl
A comprehensive geospatial metadata inventory for the public to search and find NOS geospatial data resources
Here are some selected web sources for data. Not every topic will need data, and not all data is findable here. If you need help exploring other sources for data or information, email Jen.
A definitive source of quantitative data about American history. Includes hundreds of manipulable tables and also contains essays about historical trends.
Northwestern has an extensive collection of Federal, State, local and international government documents (as well as a very swell map collection).