First-day field trip: Mormon volcanic field, in Ulrich, G.E., and others, Excursion 5A: Miocene to Holocene volcanism and tectonism of the southern Colorado Plateau, Arizona, in Chapin, C.E., and Zidek, J., eds., Field excursions to...

Holm, R.F., Nealey, L.D., Conway, F.M., and Ulrich, G.E., 1989, First-day field trip: Mormon volcanic field, in Ulrich, G.E., and others, Excursion 5A: Miocene to Holocene volcanism and tectonism of the southern Colorado Plateau, Arizona, in Chapin, C.E., and Zidek, J., eds., Field excursions to volcanic terranes in the western United States, Volume I: Southern Rocky Mountain region, IAVCEI General Assembly, Santa Fe, New Mexico, USA, June 25 - July 1, 1989: New Mexico Bureau of Mines and Mineral Resources Memoir 46, p. 2-9.