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These are sample code files to accompany the book “Interactive Data Visualization for the Web” by Scott Murray, to be published in early 2013 by O’Reilly.
This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License.
http://creativecommons.org/licenses/by-nc-nd/3.0/
Chapter 12 includes GeoJSON data that was generated by Mike Bostock, and is included in the D3 download. For more information on how that data was generated, see:
https://github.com/mbostock/d3/blob/master/examples/data/README.md