Funding from:
National Science Foundation, Informal Science Education Program
Trail of Time Partners:
Grand Canyon National Park
Academic:
![UNM logo](http://tot.unm.edu/images/UNM_Logo_small.gif)
University of New Mexico Earth and Planetary Sciences Department
![UMASS logo](http://tot.unm.edu/images/umass_logo.jpg)
University of Massachusetts Department of Geosciences
![ASU logo](http://tot.unm.edu/images/ASU_logo.jpg)