English: Presidential election results by county (1932). Colors based on Colorbrewer 2.0.
Date
Source
Own work. Original shapefile downloaded from:
Minnesota Population Center. National Historical Geographic Information System: Version 2.0. Minneapolis, MN: University of Minnesota 2011. http://www.nhgis.org
All persons are granted a limited license to use this documentation and the accompanying data, subject to the following condition:
Publications and research reports based on the database must cite it appropriately. The citation should include the following:
Minnesota Population Center. National Historical Geographic Information System: Version 2.0. Minneapolis, MN: University of Minnesota 2011.
If possible, citations should also include the URL for the NHGIS site: http://www.nhgis.org"
The copyright holder of this file allows anyone to use it for any purpose, provided that the copyright holder is properly attributed. Redistribution, derivative work, commercial use, and all other use is permitted.
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.