University of Wyoming, Department of Geology and Geophysics, PO Box 3006, Laramie, WY 82071 United States
Massachusetts Institute of Technology, Department of Earth, Atmospheric and Planetary Sciences, Bldg. 54-814, 77 Massachusetts Avenue, Cambridge, MA 02139 United States
University of Wyoming, Department of Geology and Geophysics, PO Box 3006, Laramie, WY 82071 United States