John Hawley¹, Alfredo Granados-Olivas², Baird Swanson³, J. Steven Walker⁴ and S. Heather Glaze⁵, (1)Hawley Geomatters, Albuquerque, NM, (2)El Departamento de Ingeniería Civil y Ambiental, Universidad Autónoma de Ciudad Juárez, Ciudad Juárez, Chihuahua, Mexico, (3)Swanson Geoscience, LLC, Albuquerque, NM, (4)Self employed, Las Cruces, NM, (5)Public Works Department, City of Las Cruces, Las Cruces, NM

Jessica Driscoll, PhD¹ and Justin Brandt², (1)New Mexico Water Science Center, U.S. Geological Survey, Albuquerque, NM, (2)California Water Science Center, U.S Geological Survey, Sacramento, CA

Deborah L. Hathaway, PE, Gilbert Barth, Ph.D. and Katie Kirsch, S.S. Papadopulos & Associates, Inc., Boulder, CO

Kathryn Hayden, New Mexico Environment Department, Santa Fe, NM