Price, R.H.; Wawersik, W.R.; Hannum, D.W. & Zirzow, J.A. Quasi-static rock mechanics data for rocksalt from three Strategic Petroleum Reserve domes, report, December 1, 1981; (https://digital.library.unt.edu/ark:/67531/metadc1089814/m1/1/: accessed April 21, 2019), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .