Old Maps

The hotspots map is a working model, with the map changing as we work. Here are some of the older versions of the hotspots.

October 2007 NGM page

Map in National Geographic Magazine, October 2007

August 2007 map

Full set of 18 hotspots, August 2007

March 2007 map

Map of 13 hotspots, for publication in the October 2007 issue of National Geographic Magazine

June 2007 map

Top 13 hotspots, June 8, 2007

March 2007 map

Working version, March 2007

October 2006 map

More maximal set, October 2006

Aug 2006 map

August 2006 version