Center for Geographic Analysis Harvard University
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The CGA provides access to a vast array of data throughout Harvard.

  • Harvard Data Resources
    Browse the data housed in the HGL, the HMC and the GSD, and request datasets stored at the CGA. View the CGA's Dynamic Map Service Layers, Request GeoEye Imagery, and use the China Historical Database Search Tool for placenames.
  • ESRI Data
    Download ESRI's StreetMap data, Business Analyst data, ESRI Desktop Tutorial Data, and more.
  • Public Data Resources
    The CGA maintains a growing list of public data sources, most of them free.