Pechmann, J. C. and Arabasz, W. J. and Pankow, K. L. and Burlacu, R. and McCarter, M. K.  (2008) Seismological Report on the 6 August 2007 Crandall Canyon Mine Collapse in Utah.  Seismological Research Letters, 79 (5).  pp. 620-636. DOI: https://doi.org/10.1785/gssrl.79.5.620 <https://doi.org/10.1785/gssrl.79.5.620>