Bustin, A; Hyndman, R.D.; Lambert, A.; Ristau, J.; He, J.; Dragert, H.; Vand der Kooij, M. (2004). "Fault Parameters of the Nisqually Earthquake Determined from Moment Tensor Solutions and the Surface Deformation from GPS and InSAR". Bulletin of the Seismological Society of America. 94 (2): 363–376. Bibcode:2004BuSSA..94..363B. CiteSeerX10.1.1.1004.9133. doi:10.1785/0120030073.
Bustin, A; Hyndman, R.D.; Lambert, A.; Ristau, J.; He, J.; Dragert, H.; Vand der Kooij, M. (2004). "Fault Parameters of the Nisqually Earthquake Determined from Moment Tensor Solutions and the Surface Deformation from GPS and InSAR". Bulletin of the Seismological Society of America. 94 (2): 363–376. Bibcode:2004BuSSA..94..363B. CiteSeerX10.1.1.1004.9133. doi:10.1785/0120030073.
Bustin, A; Hyndman, R.D.; Lambert, A.; Ristau, J.; He, J.; Dragert, H.; Vand der Kooij, M. (2004). "Fault Parameters of the Nisqually Earthquake Determined from Moment Tensor Solutions and the Surface Deformation from GPS and InSAR". Bulletin of the Seismological Society of America. 94 (2): 363–376. Bibcode:2004BuSSA..94..363B. CiteSeerX10.1.1.1004.9133. doi:10.1785/0120030073.
"Tunneling into the numbers"(PDF). Washington State Department of Transportation. May 2017. Archived from the original(PDF) on November 4, 2020. Retrieved July 19, 2019.
"Tunneling into the numbers"(PDF). Washington State Department of Transportation. May 2017. Archived from the original(PDF) on November 4, 2020. Retrieved July 19, 2019.