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GIS Data

Imagery and geospatial data sources that can be used in GIS and mapping projects.
Geospatial data sets (e.g., shapefiles) of land and marine boundaries. Data sets include historical and contemporary coverage of administrative and political units, school districts, marine areas, etc. Sources are organized by their area of geographic focus.

Global Boundaries


Canada Boundaries


China Historical Boundaries


Japan Historical Boundaries


Massachusetts Boundaries

Russian Empire Historical Boundaries


United States Boundaries

U.S. Historical Boundaries