The University of Arizona
Visits to Sunset Crater Volcano National Monument in Arizona from 2000 – 2003:
The drop in visits during July 2002 coincides with extreme drought and wildfire events in the area.
Credit: Figure courtesy of George Frisvold, University of Arizona.
Institute of the Environment, The University of Arizona
PO Box 210158b, Tucson, Arizona 85721
Phone: (520) 626-4345
©2013 Arizona Board of Regents