Pohlman, K.F.; Zhu, J.; Ye, M.; Chapman, J.; Russell, C. & Shafer, D.S. Evaluation Of Groundwater Pathways And Travel Times From The Nevada Test Site To The Potential Yucca Mountain Repository, report, August 28, 2006; (https://digital.library.unt.edu/ark:/67531/metadc882158/m1/1/: accessed September 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .