Department of Earth and Space Sciences, University of California, Los Angeles, 3806 Geology University, Los Angeles, CA 90095 United States
Department of Geological Sciences, San Diego State University, 5500 Campanile Drive, San Diego, CA 92182-1020 United States
Departamento de Geologia, Centro de Investigacion Cientifica y de Educacion Superior de Ensenada, Km 107 Car. Tijuana - Ensenada, Ensenada, BC 22800 Mexico
Department of Earth and Space Sciences, University of California, Los Angeles, 3806 Geology University, Los Angeles, CA 90095 United States