Greene, R.C., Eppinger, R.G., Hassemer, J.R., Jachens, R.C., Lawson, W.A., and Ryan, G.S., 1989, Mineral resources of the Mount Wilson Wilderness Study Area, Mohave County, Arizona, Chapter A, in Mineral resources of Wilderness Study Areas: Black Mountains region, Arizona: U.S. Geological Survey Bulletin 1737-A, p. A1-A18.
