Ortiz, David & McCullough, Betsy. Surface water data at Los Alamos National Laboratory: 2009 water year, report, May 1, 2010; (https://digital.library.unt.edu/ark:/67531/metadc1014436/m1/1/: accessed April 25, 2019), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .