Voronoi knowledge map

To explore what topics have been studied by USGS scientists in the region:

  1. Pass your pointer over the map and watch the keywords appear (this works [sometimes and for some regions] with Netscape 4).
  2. Click on a county for more information,
  3. Click on Gallatin County to follow a knowledge trail.
  4. Don't forget to come back...
Upper Cretaceous biostratigraphy GIS engineering geology coal earthquakes land use maps Jurassic petrography conservation management coal 

1998/04/25