John Spencer from Arizona Geological Survey
Nick Saines – Consulting Hydrogeologist
David Thul from University of Utah (AAPG Speaker)
John Fletcher from Ensenada Center for Scientific Research and Higher Education
Stein Jacobsen from Harvard University
Jim Kubicki from UTEP http://guides.library.unlv.edu/Geoseminar
Roberta Rudnick from University of California Santa Barbara http://guides.library.unlv.edu/Geoseminar