The significance of volcanic rocks in the Fossil Creek area, Arizona, in Weber, R.H., and Peirce, H.W., eds., Guidebook of the Mogollon Rim region, east-central Arizona

Twenter, F.R., 1962, The significance of volcanic rocks in the Fossil Creek area, Arizona, in Weber, R.H., and Peirce, H.W., eds., Guidebook of the Mogollon Rim region, east-central Arizona: New Mexico Geological Society 13th Field Conference Guidebook, p. 107-108.