Hill, D.P.; Bailey, R.A.; Ryall, A.S. (1985). "Active Tectonic and Magmatic Processes Beneath Long Valley Caldera, Eastern California: An Overview". J. Geophys. Res. 90 (B13): 11, 111–11, 120. Bibcode:1985JGR....9011111H. doi:10.1029/JB090iB13p11111.
Hill, D.P.; Bailey, R.A.; Ryall, A.S. (1985). "Active Tectonic and Magmatic Processes Beneath Long Valley Caldera, Eastern California: An Overview". J. Geophys. Res. 90 (B13): 11, 111–11, 120. Bibcode:1985JGR....9011111H. doi:10.1029/JB090iB13p11111.