Christopher D. Farrar

Carbon dioxide and helium emissions from a reservoir of magmatic gas beneath Mammoth Mountain, California

William C. Evans, L. J. Hainsworth, W. Evans, 1998 .

Carbon dioxide emissions from vegetation-kill zones around the resurgent dome of Long Valley caldera, eastern California, USA

William C. Evans, W. Evans, C. Farrar, 2006 .

Helium isotope and gas discharge variations associated with crustal unrest in Long Valley Caldera, California, 1989–1992

William C. Evans, W. Evans, M. L. Sorey, 1993 .

Magmatic Carbon Dioxide Emissions at Mammoth Mountain, California

C. Farrar, J. Howle, Christopher D. Farrar, 1999 .

Invisible CO2 gas killing trees at Mammoth Mountain, California

William C. Evans, Peter H. Stauffer, James W. Hendley, 1996 .