Water Water Everywhere! but not a drop to drink? Slide: 1 of 9
Reference the current slide of this Presentation.
Water Water Everywhere! but not a drop to drink?, presentation, April 22, 2013; (digital.library.unt.edu/ark:/67531/metadc157306/m1/1/: accessed October 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT College of Arts and Sciences.